目击者说，脚手架开始起火，然后火焰蔓延到整幢建筑。

Witnesses said a scaffolding caught fire, and flames then spread to the building.

youdao

火焰现正在他们脚下蔓延。

The flames were now licking at their feet.

《牛津词典》

很快火焰就蔓延到整个街区。

Soon the flames spread throughout the whole block.

youdao

大火在帐篷周围蔓延，到处是熊熊的火焰。

The fire swung around the camp and the flames were everywhere .

youdao

大火在帐篷周围蔓延，到处是熊熊的火焰。

The fire swung around the camp and the flames were everywhere .

youdao