为什么have one's brains on ice 中brains是复数

为什么have one's brains on ice 中brains是复数 rack one's brains是什么意思如题 have one's have one‘s mind have one's best have one's thumb have one's ear That fellow is clever ,he has brains .为什么brain 要加s l have so got brains(翻译) give me one good reason why I shouldn't blow your brains out这里是对一个人说的 为什么用brains不用brain?brains指大脑还是说这里说快了口误?（因为your一般跟复数 所以说惯了就说成brains了 还是brain做脑袋讲 请问“have one's finger have sth in one's Wish to have one's have one’s birthday 的 have have one's heart in one's boots的用法 to have one's heart walk outside of one's to have one's heart walk outside of one's 有主语从句吗But you have to know the reason why she is smart is because she always picks other people's brains.