Prompt action was required as the fire spread.

由于火势蔓延，须要立即采取行动。

《牛津词典》

Fanned by a westerly wind, the fire spread rapidly through the city.

火借助西风迅速蔓延全城。

《牛津词典》

The high temperatures and dry conditions make the fire spread quickly.

高温和干燥的条件使火势迅速蔓延。

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With hand tools, he and Rufus Robinson threw dirt on the fire and dug a line to contain it so the flames would not spread.

VOA: special.2009.11.24

The Salem Fire Corporation showed up with its trucks and watched the house burn, just making sure that it didn't spread.

塞伦消防公司迅速开着消防车来到现场,眼睁睁看着房子烧掉，只是确保它不会蔓延。

耶鲁公开课 - 公正课程节选

They will only put it out if it's a fire in the home of a subscriber or if it starts to spread and to threaten the home of a subscriber.

他们只扑灭发生在会员家里的火灾,或者是即将蔓延到他们会员家里的火灾。

耶鲁公开课 - 公正课程节选

The jury was told the fire spread up the stairs, helped by an open window at the top of the landing.

BBC: Derby death blaze trial told the fire 'would have roared'

Moscow region governor Andrei Vorobyev told Russian state-television that the fire alarm seems to have worked but the fire spread too quickly.

NPR: 38 Die In Mental Hospital Fire Outside Moscow

The fire spread quickly through the two-storey building, damaging the roof, ground and first floors of the house, along with cars parked on the driveway.

BBC: Milton Keynes: Arson probe after seven escape fire