Stack of old book education concept background many books piles with copy space for text
ID: 1558766237
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- 大图:4260 × 2743 像素·36.07 cm × 23.22 cm·300dpi·JPG
- 中图:1000 × 644 像素·35.28 cm × 22.72 cm·72dpi·JPG
- 小图:500 × 322 像素·17.64 cm × 11.36 cm·72dpi·JPG