hat读音：英[h?t]，美[h?t]。
hat的意思：
名词：（常指带檐的）帽子; （双重的）职位，角色（尤指官职或职业角色）。
动词：给…戴上帽子；制造帽子；为…提供帽子供应帽子。?
柯林斯词典：
N-COUNT?（常指带檐的）帽子
A?hat?is a head covering, often with a brim round it, which is usually worn out of doors to give protection from the weather.
N-COUNT?角色；职位；工作。
If you say that someone is wearing a particular?hat, you mean that they are performing a particular role at that time. If you say that they wear several?hats, you mean that they have several roles or jobs.
双语例句：
1、The?hat?is?part?of?the?school?uniform.?
帽子是校服的一部分。
2、Who's?the?rather?large?lady?in?the?hat?
那位戴帽子的丰满女士是谁？
3、If?she's?here?on?time,?I'll?eat?my?hat!?
她要是准时到这儿那才怪咧！
4、The?hats?are?made?in?three?sizes:?small,?medium?and?large.?
这些帽子分小、中、大三个尺码。
5、I'm?wearing?two?hats?tonight?─?parent?and?teacher.?
我今晚身兼两职——既是家长又是老师。