火山的爆发是自发的.The eruption of a volcano is spontaneous.简直是维苏威火山的新娘寡妇.The widowed bride of Vesuvius.斯旺森在火山喷发时,正在驶向火山的汽车里.Swanson was in his car driving toward the volcano when it blew....

“火山的”的英语可以翻译为：volcanic ...