火势的英文：
fire behaviour

参考例句：

Eventually the fire was under control.
火势终于被控制住了。

Fires were burning out of control in the center of the city.
市中心的火势失去了控制。

A substance used to accelerate a fire
用以加大火势的物质

firemen managed to keep the fire under
消防队员尽力控制了火势

The flames sank down at last.
火势终于减弱了。

The firemen managed to keep the fire under
消防队员们设法控制了火势。

The fire sank to embers.
火势减弱而成馀烬。

The firemen fought down the flames at last
消防队员终于控制住了火势。

Their prompt actions prevented the fire from spreading.
他们敏捷的行动阻止了火势的蔓延。

His prompt action prevented the fire from spreading.
他的果断行动制止了火势的蔓延。

fire是什么意思：
n. 火；炉火；火灾；热情；激情；磨难；炮火
v. 点燃；烧制；烘制；激励；充满激情；解雇；着火；开枪

The fire raged.
大火熊熊燃烧。

They fired at the robbers.
他们向强盗开枪。

The house was on fire.
房子起火了！

paid fire brigade= professional fire brigade
支取薪金的消防队

Fires beaconed the darkness.
火光驱散了黑暗。

behaviour是什么意思：
n. 行为；举止；态度；习性

Rude behaviour displeases greatly.
鲁莽行为令人很厌恶。

It was not very becoming behaviour for a teacher.
这种举止与一个教师的身份不太相称。

Unspeakable cruelty, behaviour,embarrassment
难以形容的残忍、行为、尴尬

Ridiculous in appearance,behaviour,etc
(外貌、行为等)荒唐的

Predetermined behaviour, strategies,responses
既定的行为、策略、答覆