education high school learning and people concept - close up of notebook with pencil book and calculator on desk
ID: 481926466
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- 大图:4301 × 2793 像素·36.42 cm × 23.65 cm·300dpi·JPG
- 中图:1000 × 649 像素·35.28 cm × 22.9 cm·72dpi·JPG
- 小图:500 × 325 像素·17.64 cm × 11.47 cm·72dpi·JPG