V olcano Eruption资勘 胡楠楠DefinitionFor mationT ypesDistr ibutionEffects请在这里键入你的目录内容MenuDefinitionWhatisvolcanoeruption?1Originally ,theinterior ( 内部) o ftheear thfilledwithhotmagma.Undertr emendous （巨大的）pr essur e,weakmagmawillbr eakthr oughtheear th scrust（地壳），causingthevolcano.A volcano is an opening ,or rupture（断裂）,in the surface or crust of the Earth or a planetry mass object ,which allows hot lava ,volcanic ash and gases to escape from magma chamber below the surface.somew or dsaboutv olcanoL
