overcoat用法：
overcoat可以用作名詞：
overcoat是可數名詞,意思是“大衣”,指男人、女人穿在其他衣服外面的大衣,尤指寒冷天氣外出時所穿的大衣。
overcoat用作名詞的用法例句：
He turned his overcoat collar up.他把外套的衣領翻了起來。
Although I am wearing an overcoat, I am still cold.雖然我穿了件外套，但還是覺得冷。
That overcoat should see me through the winter.有那件大衣我應該能過冬了。