locking bed

例句：

1. 1. The child was sleeping soundly in the locked bed.
   孩子在锁着的床上睡得安稳。
2. 2. The old man had a locked bed for his grandson to sleep in.
   老人为他孙子准备了锁着的床让他睡。
3. 3.The baby's room has a locked bed so he can't get out of bed until he's big enough to walk.
   婴儿的房间有锁着的床，他还不能自己起床，直到他足够大能走路为止。