coot

详细解释:n. 白骨顶(鸟), 笨人, 傻瓜

英语解释：

名词 coot:

slate-black slow-flying birds somewhat resembling ducks

例句：

Poor man, he is only twenty years old, but owing to illness he is as bald as a coot.可怜的家伙，他只有２０岁，可是由于生病，头顶已经光秃秃了。