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Genius aged teacher explains a complicated lesson

#45705087 - Genius aged teacher explains a complicated lesson

flat design vector illustration concept of challenge 向量圖像

#27292696 - flat design vector illustration concept of challenge

Close up on modern apartment building with blue sky

#68498144 - Close up on modern apartment building with blue sky

Keep it simple business concept for marketing, creativity, project management.

#63661919 - Keep it simple business concept for marketing, creativity,

Modern complex of apartment residential buildings. With many benches and outdoor facilities.

#66178809 - Modern complex of apartment residential buildings. With man

Business man finds path through complicated choices and confusing decisions to walk forward

#26586829 - Business man finds path through complicated choices and con

Risk confusion business concept with a businessman on a high wire tight rope walking towards a tangled mess as a metaphor and symbol of overcoming adversity in strategy and finding solutions through skilled leadership facing difficult obstacles

#21743144 - Risk confusion business concept with a businessman on a hig

Mathematical vector seamless pattern with formulas You can use any color of background

#25118296 - Mathematical vector seamless pattern with formulas You can

image of condo on afternoon with sun set

#44298531 - image of condo on afternoon with sun set

apartment building

#47863421 - apartment building

Modern apartment complex in suburban neighborhood 版權商用圖片

#30324434 - Modern apartment complex in suburban neighborhood

Apartments and Condos with reflection in a nearby lake and partly cloudy blue sky

#30662560 - Apartments and Condos with reflection in a nearby lake and

modern apartment building in sunny day 版權商用圖片

#68500907 - modern apartment building in sunny day

Benches at Modern complex of apartment residential buildings. With other outdoor facilities.

#66107786 - Benches at Modern complex of apartment residential building

Digitally Generated Image of Data Concept 版權商用圖片

#31336660 - Digitally Generated Image of Data Concept

Business team drawing a new complex project on wall 版權商用圖片

#66528924 - Business team drawing a new complex project on wall

Complex fantastic steampunk machine or apparatus with many elements, pipes, wires, valves. Drawn in contours in the doodle style. Vector illustration. 向量圖像

#75456592 - Complex fantastic steampunk machine or apparatus with many

Fisheye shot of new apartments buildings exterior

#28838457 - Fisheye shot of new apartments buildings exterior

City on the construction helmet.

#26051829 - City on the construction helmet.

Modern and new apartment building. Multistoried, modern, new and stylish living block of flats. Real estate. New house. Newly built block of flats

#41321869 - Modern and new apartment building. Multistoried, modern, ne

Modern apartment complex in suburban neighborhood 版權商用圖片

#41632396 - Modern apartment complex in suburban neighborhood

happy excited kids having fun together on playground

#56358270 - happy excited kids having fun together on playground

Luxury Apartment Complex 新聞圖片

#33075952 - Luxury Apartment Complex

Vector pattern with mathematical formulas, calculations, graphs, proof and scientific research in the field of algebra. Paper sheet with hand-drawn characters.

#49499352 - Vector pattern with mathematical formulas, calculations, gr

$Complex math formulas on whiteboard. Mathematics and science with economics concept. Real equations, symbols handwritten by a professional.$

#50883152 - Complex math formulas on whiteboard. Mathematics and scienc

cute kid having physical musculoskeletal therapy in rehabilitation center 版權商用圖片

#66132833 - cute kid having physical musculoskeletal therapy in rehabil

mindmap concept, business man looking at the scheme of hierarchy, management of organization, organigram

#77493537 - mindmap concept, business man looking at the scheme of hier

Insecure Fat Girl

#72747800 - Insecure Fat Girl

Buildings in financial district in downtown Toronto, Canada. 版權商用圖片

#46942470 - Buildings in financial district in downtown Toronto, Canada.

Assortment of products rich of complex carbohydrates. Healthy food on white stone background. Space for text

#77407439 - Assortment of products rich of complex carbohydrates. Healt

Healthy food. Selection of good carbohydrate sources, high fiber rich food. Low glycemic index diet. Fresh vegetables, fruits, cereals, legumes, nuts, greens. Wooden background copy space

#116433551 - Healthy food. Selection of good carbohydrate sources, high

Difficulty Internet concept 版權商用圖片

#76548360 - Difficulty Internet concept

Mom and teenage daughter are visiting physiotherapist. Doctor is listening to the patients and making notes

#75360786 - Mom and teenage daughter are visiting physiotherapist. Doct

Smiling dietitian in uniform during consultation with a patient in bright office with posters

#93372684 - Smiling dietitian in uniform during consultation with a pat

Teenage girl at the psychotherapist. Cropped image of doctor holding girls hands

#75360801 - Teenage girl at the psychotherapist. Cropped image of docto

Quarrel between Mother and Daughter in White Room. Emotional Discussion. Sitting on Couch. Conflict in Family. Parent and Child. Unhappy Girl. Communication Concept. Relationship Problem.

#113802512 - Quarrel between Mother and Daughter in White Room. Emotiona

Shot of female dietician prescribing nutritional supplement for patient in the consultation.

#100733622 - Shot of female dietician prescribing nutritional supplement

solution or conclusion concept, pensive businessman thinking about decision 版權商用圖片

#82502597 - solution or conclusion concept, pensive businessman thinkin

$Tough day at school! Sad child near the blackboard indoors. Kid is learning in class. Complex math, arithmetic and examples. Numbers written with chalk on board.$

#80999481 - Tough day at school! Sad child near the blackboard indoors.

Smiling nutritionist showing a healthy diet plan to female patient with diabetes 版權商用圖片

#92950436 - Smiling nutritionist showing a healthy diet plan to female

Mom and teenage daughter are visiting physiotherapist. Doctor is listening to the patients and making notes

#75361621 - Mom and teenage daughter are visiting physiotherapist. Doct

Professional nutritionist in white uniform in the office with plant and colorful posters

#92951195 - Professional nutritionist in white uniform in the office wi

Teenage girl is visiting psychotherapist, they are shaking hands during the session in office

#75361637 - Teenage girl is visiting psychotherapist, they are shaking

Close-up of nutritionist holding a personalized diet plan for a patient during appointment in the clinic

#93362092 - Close-up of nutritionist holding a personalized diet plan f

Cartoon of businessman looking at blackboard of complex formulas with the solution to keep it simple.

#36332400 - Cartoon of businessman looking at blackboard of complex for

Residential building entrance. Park Avenue apartment complex

#29735816 - Residential building entrance. Park Avenue apartment complex

Fisheye shot of new apartments buildings exterior

#54350306 - Fisheye shot of new apartments buildings exterior

Gears or cogwheel working together. Concept image for team building or teamwork.

#39495281 - Gears or cogwheel working together. Concept image for team

Complex mandala movement design for adult coloring book and background 向量圖像

#61038798 - Complex mandala movement design for adult coloring book and

Apartment building in Japan 版權商用圖片

#63907034 - Apartment building in Japan

#115749977 - Nice development of new townhouses. External facade of a ro

Mathematical vector seamless pattern with formulas, plots, functions, equations and algebraic and geometric figures

#48899348 - Mathematical vector seamless pattern with formulas, plots,

Vector pattern with mathematical formulas, calculations, graphs, proof and scientific research in the field of algebra. Paper sheet with hand-drawn characters.

#50433021 - Vector pattern with mathematical formulas, calculations, gr

Complex of apartment buildings in Bucharest, Romania

#15507889 - Complex of apartment buildings in Bucharest, Romania

The complex is modern condominium with pool

#37260237 - The complex is modern condominium with pool

Fantastic steampunk machine in vintage style. Interweaving pipe units, pressure gauges, devices, components. Retro texture on a separate layer.

#63745461 - Fantastic steampunk machine in vintage style. Interweaving

Dots with connections background.

#44375677 - Dots with connections background.

Single woman suffering headache outdoors in the street 版權商用圖片

#85348690 - Single woman suffering headache outdoors in the street

Single woman suffering belly ache outdoors in the street

#85348684 - Single woman suffering belly ache outdoors in the street

Hand writing Simplify with blue marker on transparent wipe board isolated on white. 版權商用圖片

#34930760 - Hand writing Simplify with blue marker on transparent wipe

Modern office building beautiful sky 新聞圖片

#34306571 - Modern office building beautiful sky

oil and gas processing plant 版權商用圖片

#33543582 - oil and gas processing plant

Internal structure of an animal cell. Digital illustration. Clipping path included.

#50824717 - Internal structure of an animal cell. Digital illustration.

Operator in the natural gas production industry 版權商用圖片

#37086851 - Operator in the natural gas production industry

Science and Technology icons

#49740950 - Science and Technology icons

Retirement apartment condominium complex buildings in the city of Delft, Netherlands

#37191026 - Retirement apartment condominium complex buildings in the c

Exterior Of Modern Hospital Building

#73521799 - Exterior Of Modern Hospital Building

Hong Kong power station at sunset , Glow light of petrochemical industry

#74000622 - Hong Kong power station at sunset , Glow light of petrochem

Abstract hexagon background. Technology polygonal design. Digital futuristic minimalism. Vector 向量圖像

#66481192 - Abstract hexagon background. Technology polygonal design. D

$A business person is writing down math formulas on the glass screen in the evening modern panoramic office.$

#47629446 - A business person is writing down math formulas on the glas

Clear strategy concept as a straight road going over confused paths for achieving success in the future as a symbol of business vision and planning to solve the maze

#30156292 - Clear strategy concept as a straight road going over confus

Endless mathematical texture with geometrical figures, plots and equations, handwritten with chalk on a grey blackboard. Mathematical vector seamless pattern

#49203529 - Endless mathematical texture with geometrical figures, plot

Main food groups - macronutrients. Carbohydrates, fats and proteins in comparison. Dieting, healthcare and eutrophy concept. Vector illustration isolated on a dark grey background. Landscape poster.

#103233357 - Main food groups - macronutrients. Carbohydrates, fats and

Petrochemical plant, oil refinery factory over blue sky. 版權商用圖片

#37036974 - Petrochemical plant, oil refinery factory over blue sky.

oil and gas processing plant 版權商用圖片

#42144605 - oil and gas processing plant

#41367345 - Abstract Leaf designed using green line curve logo symbol i

Nice apartment complex in IL 版權商用圖片

#36245616 - Nice apartment complex in IL

Selection of comptex carbohydrates sources on white background, copy space

#58154994 - Selection of comptex carbohydrates sources on white backgro

View commercial modern building and condominium in city downtown Bangkok Thailand

#64643104 - View commercial modern building and condominium in city dow

Selection of comptex carbohydrates sources on wood background, copy space 版權商用圖片

#58154917 - Selection of comptex carbohydrates sources on wood backgrou

Business confusion and right strategy with multiple door in a room

#31296752 - Business confusion and right strategy with multiple door in

Natural vitamin source poster with round chart of multivitamin pill and vegetarian food ingredient. Vegetable, fruit and nut, berry, mushroom and cereal, herb and spice diet supplement 向量圖像

#110027823 - Natural vitamin source poster with round chart of multivita

Modern industrial blue metal pipeline fragment. 3d render illustration

#32562268 - Modern industrial blue metal pipeline fragment. 3d render i

beautiful butterfly with floral elements coloring page in exquisite line

#49729321 - beautiful butterfly with floral elements coloring page in e

Businessman with maze, business concept of decision making

#36322787 - Businessman with maze, business concept of decision making

#44430505 - Isometric icon set representing office building

Image of businessman touching gear elements Mechanism concept

#21643957 - Image of businessman touching gear elements Mechanism conc

Background conceptual image with business sketches on chalkboard 版權商用圖片

#29516241 - Background conceptual image with business sketches on chalk

Bicycles for sale in a sporting goods store 新聞圖片

#26798131 - Bicycles for sale in a sporting goods store

Students working on aircraft component

#70955255 - Students working on aircraft component

Network cabinets with server racks in a data center with matrix. 版權商用圖片

#84500997 - Network cabinets with server racks in a data center with ma

Woman using industrial machine 版權商用圖片

#70418568 - Woman using industrial machine

Arrogant bold self important stuck up man with napoleon complex

#77239786 - Arrogant bold self important stuck up man with napoleon com

Heat exchangers in a refinery. The equipment for oil refining. 版權商用圖片

#79196745 - Heat exchangers in a refinery. The equipment for oil refini

Nerve growth factor (NGF), a neurotrophic factor and neuropeptide primarily involved in the regulation of growth, maintenance, proliferation, and survival of certain target neurons. 3d rendering.

#70235568 - Nerve growth factor (NGF), a neurotrophic factor and neurop

Temple complex Angkor Wat Siem Reap, Cambodia 版權商用圖片

#96118046 - Temple complex Angkor Wat Siem Reap, Cambodia

transgender

#82601519 - transgender

Incredible complex industrial machine with pipes, valves, hoses, mechanisms, apparatus. Spare parts are grouped separately - you can disassemble and assemble differently.

#75456609 - Incredible complex industrial machine with pipes, valves, h

night view of songshan cultural park in taipei 版權商用圖片

#95512934 - night view of songshan cultural park in taipei

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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

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

@ 1 866 655 3733

聯絡

協助中心

聯繫我們

Follow us on Twitter

Join us on Facebook

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Follow us on Pinterest

Follow us on Instagram