Blur background of computer room in secondary university. Network communication for education. Student using computer in learning and teaching. Blur student during study or testin classroom at school.
ID: 462890830![复制](//static.hellorf.com/hellorf/_next/images/copy.svg)
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- 大图:5184 × 3456 像素·43.89 cm × 29.26 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