捂住口鼻英语

我们必须捂住口鼻We must cover our mouths and noses出现火灾时，不要用电梯，而要用楼道When a fire breaks out, don't use the elevators, use the staircases instead.当房间里浓雾弥漫时，往外逃生时要尽量将身体放低，这样可以减少吸入的有毒烟雾When a room is thick with smokes, you have to lower your body to escape from the room, since a lower position can make you intake less harmful smokes.