closed sequential scheme

例句：

1. 1.The door was closed tight to keep out the cold wind.
   门被紧紧地关上，以抵御寒冷的风。
2. 2. The room is closed for renovations.
   房间正在装修，暂时关闭。
3. 3. The factory is closed due to a strike.
   由于罢工，工厂已经关闭。