overcoat用法：
overcoat可以用作名词：
overcoat是可数名词,意思是“大衣”,指男人、女人穿在其他衣服外面的大衣,尤指寒冷天气外出时所穿的大衣。
overcoat用作名词的用法例句：
He turned his overcoat collar up.他把外套的衣领翻了起来。
Although I am wearing an overcoat, I am still cold.虽然我穿了件外套，但还是觉得冷。
That overcoat should see me through the winter.有那件大衣我应该能过冬了。
