Definition: when something such as a bomb explodes Level: B2
四十人在爆炸中丧生。
Forty people were killed in the ___explosion.
火灾被认为是由煤气爆炸引起的。
The fire was thought to have been caused by a gas ___explosion.
我正在做作业时听到了一声爆炸。
I was doing my homework when I heard an ___explosion.
