eruption|eruptions

他的演讲引发了观众情绪的突然爆发。

His speech triggered an unexpected ___eruption of emotions among the audience.

最近这个地区发生了多次剧烈喷发。

There have been several violent ___eruptions in this area recently.

火山喷发是一个壮观的景象

A volcanic ___eruption is a spectacular sight.