她还没来得及跑，就听到一个巨大的声音逐渐变成可怕的轰鸣声。 before引导的状语从句常常意为“在……之前”或“还没来得及”。

Before she could move , she heard a great noise, which grew to a terrible roar.

youdao

爆炸产生了震耳的轰鸣和巨大的火球。

There was a great roar and a giant ball of fire.

youdao

爆炸产生了震耳的轰鸣和巨大的火球。

There was a great roar and a giant ball of fire.

youdao