leaf/liːf/

n. a flat, usu. green part of a plant that is joined to a stem or branch

n. 〖复leaves/liːvz/〗 [C] 叶，叶子：The leaves on the trees have turned yellow. 树上的叶子已经变黄了。

◇a cabbage leaf 卷心菜叶

巧记 以f结尾的名词的复数形式一般改f为ves，但以下名词除外：有信仰(beliefs)的酋长(chiefs)站在屋顶(roofs)上。