eruption
/ɪˈrʌpʃən/noun
1- an act or instance or erupting爆发, 喷发：
the eruption of Vesuvius
维苏威火山的爆发
mass noun magma is stored in crustal reservoirs before eruption.岩浆在火山喷发前是储藏在地壳储层中的。
1.1
- a sudden outpouring of a particular substance from somewhere喷出：
successive eruptions of lava from volcanic cones.
熔岩从火山锥中的不断喷出。
1.2
- a sudden outbreak of something, typically something unwelcome or noisy（尤指讨厌或嘈杂的事的）突然发生：
a sudden eruption of street violence.
街头暴力的突然发生。
1.3
- a spot, rash, or other prominent and reddish mark appearing suddenly on the skin（皮肤上突然出现的）疹; 发疹。
词源
late Middle English: from Old French, or from Latin eruptio （n -）, from the verb erumpere （see ERUPT）.