英语翻译we only sleep about three hours a day.and we sometimes sleep standing up.

问题描述:

英语翻译we only sleep about three hours a day.and we sometimes sleep standing up.

我们一天只睡三个小时,甚至有时站着睡觉.
slee standing up:站着睡觉,
比如
Horses can sleep standing up or lying down.
马可以站着睡觉也可以躺着睡觉.