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. 岩浆喷发前储积在地壳中。 ■a sudden outpouring of a particular substance from somewhere 喷出 successive eruptions of lava from volcanic cones. 火山锥熔岩的不断喷发。 ■a sudden outbreak of something, typically something unwelcome or noisy (尤指讨厌或嘈杂的事)突然爆发 a sudden eruption of street violence. 街上突然发生的暴力事件。 ■a spot, rash, or other prominent and reddish mark appearing suddenly on the skin 疹子;发疹
语源
late Middle English: from Old French, or from Latin eruptio(n-), from the verb erumpere (see erupt)