1.erupt的意思是指火山等“爆发,喷发”,引申可表示“事件的突发”,可用作不及物动词或及物动词,用作不及物动词时后接介词from表示“从…喷出”,接介词into表示“突然发展成…”; 用作及物动词时可接名词或代词作宾语。可用于被动结构。
2.erupt还可作“出疹”解,用作及物动词,接名词或代词作宾语。可用于被动结构。

erupt into(v.+prep.)
突然变为或发展成(更坏的事) change violently or develop suddenly into (sth worse)
▲erupt into sth
The demonstrations erupted into violence.示威游行爆发成暴力行为。
A regional conflict would erupt into violent warfare.地区性冲突会演变成一场大战。

用作不及物动词
▲S+～(+A)
The geyser erupts periodically.间歇泉周期性地喷发。
Mount Vesuvius hasn't erupted for many years.维苏威火山已有多年没有爆发了。
Steam erupted from the geyser.蒸气从热水锅炉里冒出。
Laughter erupted from the audience.笑声从观众席上爆发出来。
Violence erupted in the city after the football match.足球赛后城里发生了暴力事件。
Headlines erupted around the world.世界各地的报纸都一下子登出了大字标题。
Rashes have erupted all over my back.我背上出满了疹子。
用作及物动词
▲S+～+n./pron.
His back erupted rashes.他的背上出疹了。
Don't erupt arrogant words.不要口出狂言。
◇ 用于be ～ed结构
Enough lava was erupted from the volcano to bury the entire village.火山喷出了大量熔岩,把整个村子都掩埋了。

erupt, irrupt
这组词的读音相同,拼写也类似,但意思不同。erupt意为“(火山等)爆发”; 而irrupt的意思是“闯入,侵入”。