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female lecturer with students in an exam in a classroom

#131081388 - female lecturer with students in an exam in a classroom

Confident older businesswoman in glasses looking at camera, middle aged senior female professional, mature lady teacher business coach head shot portrait isolated on white grey studio background

#118048361 - Confident older businesswoman in glasses looking at camera,

beautiful female teacher in formal wear and glasses holding notebook in classroom

#118631870 - beautiful female teacher in formal wear and glasses holding

teacher with group of college students in classroom

#120999520 - teacher with group of college students in classroom

Teacher and student having fun learning. Happy school girl writes notes in notebook. Smiling professor explains subject to young student. Girl taking extra classes. Coworkers at work in office

#121256593 - Teacher and student having fun learning. Happy school girl

Multinational group of cheerful students taking an active part in a lesson while sitting in a lecture hall.

#53766949 - Multinational group of cheerful students taking an active p

$Businessman sitting on a chair and studying math formulas on blackboard$

#52997665 - Businessman sitting on a chair and studying math formulas o

Sexy girl with glasses Strict teacher a long black skirt and striped shirt with a pointer in his hand isolated on white

#61122172 - Sexy girl with glasses Strict teacher a long black skirt an

beautiful female teacher in formal wear writing in notebook and looking at camera in classroom

#118631872 - beautiful female teacher in formal wear writing in notebook

Young female teacher near blackboard teaching student in classroom at school, college or university. Flat design cartoon woman character.

#84136446 - Young female teacher near blackboard teaching student in cl

Man sits at table with many books.

#102165376 - Man sits at table with many books.

Successful businessman carrying an office binder under his arm as he stands smiling at the camera with a thoughtful expression

#94779348 - Successful businessman carrying an office binder under his

chemist crazy about his experiment smell his experiment

#85046323 - chemist crazy about his experiment smell his experiment

Raised up hands and arms of large group in seminar class room at Conference

#119503258 - Raised up hands and arms of large group in seminar class ro

female teacher with wooden pointer holding glasses and explaining mathematical equations in classroom 版權商用圖片

#118632469 - female teacher with wooden pointer holding glasses and expl

smiling attractive lecturer pressing elevator button in medical university

#110527149 - smiling attractive lecturer pressing elevator button in med

dancer dressed as teacher against a chalkboard in the classroom

#124871666 - dancer dressed as teacher against a chalkboard in the class

dancer dressed as teacher against a chalkboard in the classroom

#124943067 - dancer dressed as teacher against a chalkboard in the class

Crazy chemist with glasses

#111268055 - Crazy chemist with glasses

Multinational group of students in an auditorium

#124309466 - Multinational group of students in an auditorium

College and university students, researchers and professors studying together, school supplies and digital tablet: education and research concept

#84430042 - College and university students, researchers and professors

Vector illustration of six teachers on a white background 向量圖像

#94024805 - Vector illustration of six teachers on a white background

Funny moment

#99529087 - Funny moment

Crazy chemist doing experiment chemical laboratory

#85077973 - Crazy chemist doing experiment chemical laboratory

People individual lifestyle concept. Portrait of virile serious minded self-assured pensive granddad with crossed hands beige knitted waistcoat isolated on gray background copy-space

#95041097 - People individual lifestyle concept. Portrait of virile ser

Cartoon Scientist Holding Test Tube and Clipboard

#97383150 - Cartoon Scientist Holding Test Tube and Clipboard

Rear view of a puzzled businessman in front of a huge blackboard try to solve hard mathematics calculation, formula and equations. Thinking of project ideas and business planning concept.

#100107716 - Rear view of a puzzled businessman in front of a huge black

Cartoon vector illustration of a genius professor Einstein for design element 向量圖像

#131961951 - Cartoon vector illustration of a genius professor Einstein

Funny Cocker Spaniel dog with eyeglasses isolated on white background

#107897482 - Funny Cocker Spaniel dog with eyeglasses isolated on white

smiling pretty little teacher using stick pointing chalkboard empty screen showing school studying concept standing in blackboard background. 版權商用圖片

#89274492 - smiling pretty little teacher using stick pointing chalkboa

$Young teacher writing math formulas on chalkboard in classroom 版權商用圖片$

#128732852 - Young teacher writing math formulas on chalkboard in classr

dancer dressed as teacher against a chalkboard in the classroom

#124871667 - dancer dressed as teacher against a chalkboard in the class

Sexology teacher looks at two sexy female students. Erotic education. Education and sex Symbols on chalkboard. Lesson and sex education in high school.

#119760028 - Sexology teacher looks at two sexy female students. Erotic

Sexology teacher looks at two sexy female students. Erotic education and sex Symbols on chalkboard. 版權商用圖片

#119760026 - Sexology teacher looks at two sexy female students. Erotic

Close up of female student writing an equation on white board in classroom. Girl writing on board during maths class.

#104665782 - Close up of female student writing an equation on white boa

International student making individual online testing, Teacher creates sense of community and belonging in the classroom, Great teachers find out what makes students interested and use it,

#104282444 - International student making individual online testing, Tea

Students listening explanation of female trainer manager during workshop

#96963678 - Students listening explanation of female trainer manager du

Asian senior working hand writing or sign insurance contract for future concept.

#102457019 - Asian senior working hand writing or sign insurance contrac

Portrait of smiling female teacher in the preschool

#127394925 - Portrait of smiling female teacher in the preschool

Image of graduation black hat over old books next to graduation on wooden desk. Education and back to school concept 版權商用圖片

#96206553 - Image of graduation black hat over old books next to gradua

cartoon funny Einstein shows his tongue

#85255942 - cartoon funny Einstein shows his tongue

Teacher in a suit in front of a blackboard in a classroom

#115347427 - Teacher in a suit in front of a blackboard in a classroom

Young man teaching eldery man of usage of computer. Intergenerational transfer of computer skills.

#52285237 - Young man teaching eldery man of usage of computer. Interge

Teacher helping student in classroom. Lecturer pointing at laptop screen and showing something to female student.

#102318181 - Teacher helping student in classroom. Lecturer pointing at

frightened scientist front of experiment that exploded in lab

#85087811 - frightened scientist front of experiment that exploded in l

#84523274 - Graduation cap symbol concept illustration, gold college st

University students attending lectures workshops busy with projects in library graduating isometric icons set isolated vector illustration

#103367879 - University students attending lectures workshops busy with

Side view of a senior female teacher writing on a white board in classroom. Close up of a woman lecturer teaching in classroom.

#118798562 - Side view of a senior female teacher writing on a white boa

Chemist carefully oversees his experiment over abstract 版權商用圖片

#111267782 - Chemist carefully oversees his experiment over abstract

Bad teacher. Woman holding wooden pointer. Isolated portrait.

#102589516 - Bad teacher. Woman holding wooden pointer. Isolated portrai

Medicine studies questions and answers lecture session

#95795831 - Medicine studies questions and answers lecture session

Professional digital Mirrorless camera on the tripod recording video blog of Asian teacher in the classroom

#104280377 - Professional digital Mirrorless camera on the tripod record

Raised hands and arms of large group of people in class room, audience voting in professional education surrounding, selective focus with anonymous people. 版權商用圖片

#81867163 - Raised hands and arms of large group of people in class roo

group of students study with professor in modern school classroom

#98833499 - group of students study with professor in modern school cla

Wise Owl Graduate Teacher Character 向量圖像

#92781293 - Wise Owl Graduate Teacher Character

Online consultation

#94680576 - Online consultation

Scientist chemist making chemical experiment

#96047052 - Scientist chemist making chemical experiment

African foreign teacher teaching science in the classroom.

#127961827 - African foreign teacher teaching science in the classroom.

Crazy chemistry showing his succeed product of experiment

#125198738 - Crazy chemistry showing his succeed product of experiment

Medical Seminar. Doctors And Interns Listening To Professor In Conference Room

#124593735 - Medical Seminar. Doctors And Interns Listening To Professor

close up portrait of a surgeon or doctor with mask ready for operation in hospital or clinic. 版權商用圖片

#113376582 - close up portrait of a surgeon or doctor with mask ready fo

Lecturer and multinational group of students in an auditorium 版權商用圖片

#121899711 - Lecturer and multinational group of students in an auditori

Bad grade F is written with red pen on the tests. 版權商用圖片

#111907547 - Bad grade F is written with red pen on the tests.

pensive senior lecturer standing with pencil isolated on white

#114410878 - pensive senior lecturer standing with pencil isolated on wh

lecturer on class with young students in lecture hall 版權商用圖片

#128289345 - lecturer on class with young students in lecture hall

Multinational group of cheerful students taking an active part in a lesson while sitting in a lecture hall.

#53766946 - Multinational group of cheerful students taking an active p

Standing business man teacher wearing glasses pointing with wooden pointer stick. Flat style vector illustration isolated on white background. 向量圖像

#67658202 - Standing business man teacher wearing glasses pointing with

Portrait of modern luxurious trendy wealthy intelligent dreamy pensive stylish authoritative clever man wearing checkered grey jacket chic maroon bow-tie imagine smth, isolated on concrete background 版權商用圖片

#93601643 - Portrait of modern luxurious trendy wealthy intelligent dre

Senior man sitting in classroom with a tablet pc on the table and making notes. Elderly man writing in his book sitting in a library. 版權商用圖片

#120520876 - Senior man sitting in classroom with a tablet pc on the tab

grey hair professor standing in lecture room and looking at camera

#114411015 - grey hair professor standing in lecture room and looking at

Teacher man and woman in flat style isolated on white background

#51028632 - Teacher man and woman in flat style isolated on white backg

Crazy inventor with helmet for brain research

#52626005 - Crazy inventor with helmet for brain research

Portrait of attractive young european businesswoman with folded arms standing on chalkboard background with mathematical formulas. Education and science concept

#107087489 - Portrait of attractive young european businesswoman with fo

Scientist Cartoon Character Sign Thumbs Up

#103632443 - Scientist Cartoon Character Sign Thumbs Up

$Young math teacher in front of chalkboard$

#115426134 - Young math teacher in front of chalkboard

Crazy scientist got the great idea in laboratory with bulb symbol

#73553124 - Crazy scientist got the great idea in laboratory with bulb

happy cheerful little girl dressed as teacher standing in blackboard background and using stick pointing teaching student. 版權商用圖片

#117026286 - happy cheerful little girl dressed as teacher standing in b

Smiling man government worker dressed in luxury suit is standing in modern interior during work break near copy space for your advertising text message or content. Happy male CEO is looking at camera 版權商用圖片

#59077297 - Smiling man government worker dressed in luxury suit is sta

Close up portrait of funny excited cheerful with groomed stylish moustache hipster grandfather sharp-dressed checkered jacket burgundy tissue in pocket making ok symbol isolated on grey background

#93601636 - Close up portrait of funny excited cheerful with groomed st

A cartoon scientist professor wearing lab white coat peeking above sign and pointing at it

#79892271 - A cartoon scientist professor wearing lab white coat peekin

#132121695 - Portrait of an old hipster man with a beard. Avatar fashion

Medicine and health care concept, Professor Doctor presenting report and recommend a method with patient treatment, after results about the problem of the patient.

#126552711 - Medicine and health care concept, Professor Doctor presenti

Portrait of furry cat in transparent round glasses. Domestic soigne scientist kitty in red tie poses on books background in library. Education, science, knowledge concept. Studio photo. 版權商用圖片

#113058779 - Portrait of furry cat in transparent round glasses. Domesti

Professor doctor recommend report a method with patient treatment, results on examine a picture brain x-ray film about the problem of the patient while working in office. 版權商用圖片

#113602412 - Professor doctor recommend report a method with patient tre

Adorable little blonde boy wearing a suit, bowtie and glasses like a professor pointing up against a white background

#114420625 - Adorable little blonde boy wearing a suit, bowtie and glass

Sausage dachshund dog with pencil or pen in mouth

#123117080 - Sausage dachshund dog with pencil or pen in mouth

Cheerful senior businesswoman in glasses looking at camera, happy older team leader ceo manager, female aged teacher professor or mature executive woman mentor smiling in office head shot portrait 版權商用圖片

#116459514 - Cheerful senior businesswoman in glasses looking at camera,

Asian businessmen are discussing proposals for finding ideas in coffee shops.

#130051854 - Asian businessmen are discussing proposals for finding idea

young female professor going to work in morning to university. asian woman teaching chinese in school holding cup of coffee carry backpack walking on the road.

#116014853 - young female professor going to work in morning to universi

#112485480 - Confident mature businesswoman looking at camera, middle ag

Medicine and health care concept, Professor Doctor presenting report and recommend a method with patient treatment, after results about the problem of the patient.

#112422102 - Medicine and health care concept, Professor Doctor presenti

Chemical show for kids. Professor carried out chemical experiments with liquid nitrogen on Birthday little girl.

#121517389 - Chemical show for kids. Professor carried out chemical expe

Young lecturer teacher teaching anatomy

#115750377 - Young lecturer teacher teaching anatomy

Medicine and health care concept, Professor Doctor presenting report and recommend a method with patient treatment, after results about the problem of the patient.

#113191058 - Medicine and health care concept, Professor Doctor presenti

A cartoon scientist professor wearing lab white coat peeking above sign and giving a thumbs up

#93806547 - A cartoon scientist professor wearing lab white coat peekin

Language lesson - colorful line design style illustration on white background. A composition with a female teacher standing at the board. Images of folders, Statue of Liberty, Eifel tower, certificate

#112152975 - Language lesson - colorful line design style illustration o

Close up portrait of stylish, aged, charming, surprised, shocked woman holding eyelets peek out glasses with wide open eyes and mouth over grey background 版權商用圖片

#95427568 - Close up portrait of stylish, aged, charming, surprised, sh

Smiling woman with headphone, computer and webcam in her office, consultant, adviser, teacher, online learning, business

#50496512 - Smiling woman with headphone, computer and webcam in her of

Cartoon flat character of school principal. Head teacher with book. Clipping paths included. 向量圖像

#112229616 - Cartoon flat character of school principal. Head teacher wi

Tutor. Young teacher near chalkboard in school classroom. Teachers day. Bearded teacher in education class near Blackboard. 版權商用圖片

#122567387 - Tutor. Young teacher near chalkboard in school classroom. T

Female university graduate celebrates graduation ceremony receiving degree certificate happily with excitement.

#121175505 - Female university graduate celebrates graduation ceremony r

Confident mature business woman leader coach speaking at meeting negotiations, old middle aged female manager executive mentor talking participating in discussion at office conference briefing

#112485293 - Confident mature business woman leader coach speaking at me

Cartoon scientist professor pointing at a sign

#105340584 - Cartoon scientist professor pointing at a sign

illustration of crazy scientist making tests with high voltage in lab

#109669552 - illustration of crazy scientist making tests with high volt

Two professor characters standing in the classroom with the pointer and test tube. Flat design funny illustration. Back to school idea.

#109430274 - Two professor characters standing in the classroom with the

Lecturer and multinational group of students in an auditorium 版權商用圖片

#121899484 - Lecturer and multinational group of students in an auditori

Young african-american teacher pointing at the board with a pencil. Teacher standing next to the blackboard with charts in the classroom. Vector cartoon illustration isolated on white background. 向量圖像

#99098232 - Young african-american teacher pointing at the board with a

Education isometric icons set with private tutors university college students professors teachers lectures graduation building isolated vector illustration

#108844852 - Education isometric icons set with private tutors universit

Chalkboard with stack book

#108245995 - Chalkboard with stack book

Asian teacher Giving Lesson over the the physics formular in thai laguage on black board in school classroom and students showing the hand for answer,school education concept,The teacher wrote himself 版權商用圖片

#81288230 - Asian teacher Giving Lesson over the the physics formular i

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關於123RF

關於

特徵

博客

指導課程

服務

Corporate+

123rf合作夥伴計劃

123RF的增值經銷計劃

123RF聯盟計畫

禮物代碼

法律規範

Legal

執照

隱私聲明

權力條規

123RF-Cookie政策

國際

Русский язык

Português (PT)

支持

需要幫助嗎？請聯絡您的客戶經理

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