This is my book. education and knowledge. biology chemistry lesson. bearded man teacher with small girl in classroom. father and daughter study in classroom. back to school. math geometry.
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- 大图:6221 × 3930 像素·52.67 cm × 33.27 cm·300dpi·JPG
- 中图:1000 × 632 像素·35.28 cm × 22.3 cm·72dpi·JPG
- 小图:500 × 316 像素·17.64 cm × 11.15 cm·72dpi·JPG