•Since the volcano last erupted, many houses have been built in a dangerous position on its slopes.自从火山上次喷发后，很多房屋建在了火山山坡上的危险地带。

---

•At the end of a hot summer, violence erupted in the inner cities.一个炎热的夏末，在市中心贫民区突然爆发了暴力事件。

•The crowd erupted in applause and cheering.人群中爆发出掌声和欢呼声。

•Two days after he'd been exposed to the substance, a painful rash erupted on his neck.接触了这种物质两天后，他脖子上突然起了一种刺痛的疹子。