"explode" 加 "ion" 的形式是 explosion。

"explode" 作为动词，意思是爆炸、爆破、爆裂、勃然大怒、突然发生、迸发等。例如：

1. Bombs were exploding.

"explosion" 作为名词，意思是爆裂声、激增、愤怒的迸发等。例如：

1. The explosion made a massive hole in the ground.

2. The study also forecast an explosion in the diet.