/ɪ'rʌpt; ɪ`rʌpt/
v
1 [I] (of a volcano) suddenly throw out lava, etc （指火山）爆发
*It's many years since Mount Vesuvius last erupted. 维苏威火山上一次爆发至今已有很多年了.
2 [I, Ipr] (fig 比喻) break out suddenly and violently 突然发生
*Violence has erupted on the streets. 大街上突然发生了暴乱.
* The demonstration erupted into violence. 示威游行中突然出现了武斗.
* (infml 口) When I saw the size of the bill I simply erupted, ie became furiously angry. 我看到巨额帐单时简直火冒三丈.
3 [I] (of spots, etc) appear on the skin （指斑点等）在皮肤上出现
*A rash has erupted all over my back. 我的背上出满了疹子.

v [I]
[Date: 1600-1700; Language: Latin;Origin: , past participle of erumpere 'to burst out']
if fighting, violence, noise etc erupts, it starts suddenly
= break out
　Violence erupted after police shot a student during the demonstration.
　A political row erupted over the MP's comments.
if a volcano erupts, it explodes and sends smoke, fire, and rock into the sky
if a place or situation erupts, there is a sudden increase in activity or emotion
erupt into
　They were angry to the point of erupting into riot.
　Their conversations often erupted into minor squabbles.
erupt into laughter/shouting etc
to suddenly start laughing, shouting etc
　He erupted into loud, desperate sobs.
if spots erupt on your body, they suddenly appear on your skin
>eruption [ɪ'rʌpʃən/