coat和shirt是同类吗

是同类都为服装类。coat中文意思是n. 外套，大衣；<美>（指套装的）短上衣。shirt中文意思是n. 衬衫，恤衫；球衣。

例如，He bought a new coat for me.他给我买了一件新外套。

Ben had merely changed his shirt.

本只换了他的衬衫。

His shirt was spotted with oil.

他的衬衫沾满了血。