His prompt action prevented the fire from spreading.

他的果断行动制止了火势的蔓延。

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They succeeded in preventing the fire from spreading.

他们成功阻止了火势蔓延。

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Their prompt actions prevented the fire from spreading.

他们敏捷的行动阻止了火势的蔓延。

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Area Commander George McGrandles praised the firefighters, saying their actions prevented the fire from spreading and damaging adjoining properties.

BBC: Scene of blaze at George bar in Paisley

So they can't go out and force people to take measures, like having fire walls, cleared-away lanes to prevent fire from spreading.

NPR: In Portugal Another Season of Forest Fires

"The fire severely damaged the property and it was only the efforts and hard work of firefighters that prevented the fire from spreading to neighbouring properties, " added the fire service spokesperson.

BBC: Firefighters at Clare Rd, Grangetown, Cardiff