apertuer gap

例句：

1. 1.The door apertuer slammed shut behind us.
   门在我们身后砰地关上了。
2. 2. We need to apertuer the lights before we go to bed.
   我们得在睡觉前打开灯。
3. 3.The new machine apertuer automatically when turned on.
   新机器一开机就自动启动。