education technology and internet - two smiling students looking at tablet pc in lecture at school
ID: 165850271
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- 大图:4896 × 3271 像素·41.45 cm × 27.69 cm·300dpi·JPG
- 中图:1000 × 668 像素·35.28 cm × 23.57 cm·72dpi·JPG
- 小图:500 × 334 像素·17.64 cm × 11.78 cm·72dpi·JPG