leaf基本解释
n,叶子；（书籍等的）一张；扇页,同近
a flowering bush with large shiny leaves.叶子大而油亮的开花灌木
叶子；（书籍等的）一张；扇页英释nnone of the flat green parts of a plant that are joined to its stem or branches
leaf blade,叶片.短语
