shuting

例句：

1. 1. The factory has been shutting down for the past few weeks.
   这间工厂过去几周一直在关闭。
2. 2. We need to shutting down the lights before we go out.
   在我们离开之前，我们需要关掉灯。
3. 3.The door was shutting tightly when I opened it.
   当我打开门时，门紧紧地关上了。