School exam student's taking educational test admission test thinking hard writing answer in university classroom education and world literacy day concept
ID: 1201856575

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- 大图:3589 × 1795 像素·30.39 cm × 15.2 cm·300dpi·JPG
- 中图:1000 × 500 像素·35.28 cm × 17.64 cm·72dpi·JPG
- 小图:500 × 250 像素·17.64 cm × 8.82 cm·72dpi·JPG