pants用复数理由与裤子trousers用复数是一样的 因为是给两只腿穿的，有两个裤腿，英语中pants 形容两个裤筒，所以是复数。
pants
读音：英 [pænts]；美 [pænts]
意思：裤子，短裤（名词pant的复数形式）。
He asked the tailor to make over his pants.
他请裁缝把他的裤子翻改了一下。
扩展资料：
pants的词语搭配：
1、动词+pants
match the pants 与裤子很配
scare〔frighten〕the pants off sb 把某人吓得魂不附体
wear the pants 当家,掌权
2、介词+pants
have ants in the pants 烦恼,不安
with one's pants 处境尴尬,出其不意地
pant常用于复数形式，裤子有两个裤腿，所以常用复数表达，就是pants
pant
读音：英 [pænt] 美 [pænt]
短语：
Pant Denim 牛仔裤 ; 女士牛仔裤 ; 牛仔长裤 ; 男士牛仔裤
Pj pant 长裤
CASUAL PANT 休闲裤 ; 工装裤
例句：
1)The dog was panting because of the hot weather.因为天热这只狗不停地喘气。
2)He panted along after the boys.他气喘吁吁地跟着那些孩子。
3)She was panting to dance but no one asked her to.她渴望跳舞，可没人邀请她。
4)So, at first we pant like a little doggy, and then we close our mouth, and then the nostril breathstarts right after that.她说：“一开始我们要像小狗一样上气不接下气地喘息，然后闭上嘴，紧接着就开始用鼻孔呼吸了。
5)His right pant leg was rolled up to the knee, and on the end of his big toe was a plastic weightfrom his dad’s weightlifting set. Every second or so, Hayden flexed his toe up, then down. 海登的右腿上，裤子被卷到膝盖，一块从他爸爸的举重器材上取下来的塑料板，正套在他那超级大拇趾的底端，每隔大约一秒钟的时间，他便上下伸展或弯曲一下他的大拇趾。