n. the main organ of photosynthesis and transpiration in higher plants
n. a sheet of any written or printed material (especially in a manuscript or book)
n. hinged or detachable flat section (as of a table or door)
v. turn over pages
n. 叶, 树叶, 花瓣, 页
vi. 生叶, 翻书页
vt. 在...上长叶, 翻...的页
1. The leaf fell from the tree in autumn.
秋天，树上的叶子掉下来了。
2. She used a large leaf to cover her head from the rain.
她用一片大叶子遮住头以避雨。
3. The green leaf is a sign of a healthy plant.
绿色的叶子是植物健康的标志。