房间内起火时,不能轻易打开门窗,以免空气对流,形成大面积火灾用英语怎么说

Room on fire, it can not easily open the doors and windows to prevent air convection, the formation of large-area fire

When the room is on fire,cannot turn on the windows and doors easily,in order to avoid the air convection,how did form the big area fire to say with English