防火门；
Fire doors should not be wedged open at any time.
任何时候都不要将防火门打开。
And always shut the fire doors to prevent the fire spreading.
记住一定要关掉防火门防止火势蔓延。
The fire was so damaging that the store had to close its doors.
火灾造成的损失太严重，这个商店不得不停业。
Why do we need to close the doors of fire exits all the time?
为什么我们总要把消防通道的门关上？
As you move through the building, reduce the fire risk by closing doors behind you.
在本大厦走动时，关上身后的门以减低火灾危险。
As you move through the building, reduce the fire risk by closing doors behind you.
在本大厦走动时，关上身后的门以减低火灾危险。
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