latches circuit

例句：

1. 1.The door latches shut with a loud click.
   门用响亮的点击声关上了。
2. 2.The child tried to latch onto the hand of his mother.
   孩子试图抓住妈妈的手。
3. 3.The lock on the cabinet is loose, and it won't latch properly.
   柜子上的锁是松的，无法正常锁上。