school boy sitting at home classroom lying desk filled with books training material schoolchild sleeping lazy bored to study lack energy fatigue during learning concept Indulge and grimace. overwork
ID: 1452161999
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- 大图:6551 × 4367 像素·55.47 cm × 36.97 cm·300dpi·JPG
- 中图:1000 × 667 像素·35.28 cm × 23.53 cm·72dpi·JPG
- 小图:500 × 334 像素·17.64 cm × 11.78 cm·72dpi·JPG