If a fire carelessly, will make the fire spread quickly, and give us a huge life casualties and property losses.
如果不慎发生火灾，就会使得其火势迅速蔓延，进而给我们造成巨大的生命伤亡和财产损失。
"That made the fire quickly spread in vertical directions and nearby areas, forming a large-scale fire in a very short time," Chen said.
“这使得火势迅速沿垂直方向和附近蔓延，在极短的时间里形成了大范围的火灾。”陈说。
A plume of flames shot from the top of the structure as the fire quickly spread.
由于火势的迅速漫延，底部冒出一股熊熊大火蹿到酒店的顶上。
The cause of the fire remained unknown, but a witness said he saw construction materials burning before the fire climbed up the scaffolding and quickly spread.
大火原因尚未查明，但是有目击者称，大火先在脚手架上着火，然后迅速蔓延直至大楼建筑材料起火。
A spokesman for the Beijing fire Brigade says flames spread quickly throughout the building-which was still under construction-because sprinkler systems and fireproofing were not yet in place.
北京消防队的发言人表示，大火延烧整栋大楼的速度很快，因为这栋大楼还在盖，里头的洒水系统和防火设施都还没完成。
However, it is not only harmful to escape, but also beneficial for smoke to spread quickly to other floors if the smoke moves into the vertical escape evacuation routes while it is on fire.
但是火灾发生后，作为人员逃生的竖向疏散通道如果遭受烟气侵害，不仅对人员的逃生不利，而且会加快烟气向其他楼层的蔓延。
Although the fire spread through the hospital very quickly, the firemen were able to pick up all the patients.
大火在这家医院里迅速蔓延开来，但消防队员们却地把所有的病人都救了出来。
Although the fire spread through the hospital very quickly, the firemen were able to pick up all the patients.
大火在这家医院里迅速蔓延开来，但消防队员们却地把所有的病人都救了出来。
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