Online education concept. Young woman teacher giving online lesson at computer screen.

Teacher explains physics. A woman lecturer leads a distance lesson explains graphs to the student. Learning tutorial in internet, idea of remotely education and knowledge. Modern technologies

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圖片庫的Teacher explains physics. A woman lecturer leads a distance lesson explains graphs to the student. Learning tutorial in internet, idea of remotely education and knowledge. Modern technologies 圖片 Image 157760357.

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Teacher Explains Physics. A Woman Lecturer Leads A Distance Lesson Explains Graphs To The Student. Learning Tutorial In Internet, Idea Of Remotely Education And Knowledge. Modern Technologies 免版稅剪貼畫，向量插圖和庫存圖片. Image 157760357.

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Teacher explains physics. A woman lecturer leads a distance lesson explains graphs to the student. Learning tutorial in internet, idea of remotely education and knowledge. Modern technologies

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