explosion of trolleys

例句：

1. 1. The explosion of the bombwas heard from afar.
   远处传来了炸弹爆炸的声音。
2. 2. The scientist's discoverywas an explosion in science.
   科学家的发现在科学界引起了轰动。
3. 3. Thefirefighters were calledto put out the explosion.
   消防员被召来扑灭爆炸。