Smiling young man in a suit is working at a laptop he is holding standing near a blackboard with formulas and figures on it
ID: 643966075
编辑图片
以图搜图
- 大图:5000 × 3438 像素·42.33 cm × 29.11 cm·300dpi·JPG
- 中图:1000 × 688 像素·35.28 cm × 24.27 cm·72dpi·JPG
- 小图:500 × 344 像素·17.64 cm × 12.14 cm·72dpi·JPG