Education learning concept with opening book or textbook in old library stack piles of literature text academic archive on reading desk and aisle of bookshelves in school study class room background
ID: 794015686
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- 大图:3363 × 2102 像素·28.47 cm × 17.8 cm·300dpi·JPG
- 中图:1000 × 625 像素·35.28 cm × 22.05 cm·72dpi·JPG
- 小图:500 × 313 像素·17.64 cm × 11.04 cm·72dpi·JPG