A leaf is an above-ground plant organ and it is green. Its main functions are photosynthesis and gas exchange. A leaf is often flat so it absorbs the most light and thin so that the sunlight can ge
ID: 1869555838![复制](//static.hellorf.com/hellorf/_next/images/copy.svg)
![预览](https://hellorfimg.zcool.cn/large/1869555838.jpg)
编辑图片
以图搜图
- 大图:3000 × 4000 像素·25.4 cm × 33.87 cm·300dpi·JPG
- 中图:750 × 1000 像素·26.46 cm × 35.28 cm·72dpi·JPG
- 小图:375 × 500 像素·13.23 cm × 17.64 cm·72dpi·JPG