noun
leaf
/li:f/
leaf 是什么意思
叶，树叶，花瓣，页
The main organ of photosynthesis and transpiration in higher plants a sheet of any written or printed material (especially in a manuscript or book) hinged or detachable flat section (as of a table or door) turn over pages.
词性
noun
难度
进阶
页面用途
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