sleep有睡觉的意思。
sleep的现在分词 sleeping；
sleep的过去式 slept；过去分词 slept
I know he\'s going out with her, but I don\'t think they\'re sleeping together.
我知道他跟她在谈恋爱，不过我想他们还不至于上床吧。
I put the sleeping baby down gently.
我把睡着的宝宝轻轻放下。
He tried to kill himself with sleeping pills.
他试图服安眠药自杀。
