Students studying and testing lesson from teacher in classroom at university. Workshop technology network communication for education business. Blur background of people using e-learning training.
ID: 544716853
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- 大图:3918 × 2612 像素·33.17 cm × 22.11 cm·300dpi·JPG
- 中图:1000 × 667 像素·35.28 cm × 23.53 cm·72dpi·JPG
- 小图:500 × 333 像素·17.64 cm × 11.75 cm·72dpi·JPG