hat的基本意思是“帽子”,，是可数名词，主要强调周边有檐的帽子,是可数名词。比喻指“乌纱帽”。
如：put on your
例句：
She bought a hat yesterday.她昨天买了一顶帽子。
He took off the hat and revealed his bald head.他脱下帽子，露出秃头。
