精选优质文档-倾情为你奉上U6(选修六)1 volcano n. pl. volcanoesan active volcano活火山an extinct volcano死火山a dormant volcano休眠火山volcanology火山学volcanologist火山学家pianistphysicistnovelist2. erupt1)（火山）爆发，喷发Mount Vesuvius hasnt erupted for a good many years. 维苏威火山已经多年没有爆发了。2)（搏斗，暴力事件，噪音等）突然发生，爆发Violence in street can erupt for no apparent reason. 街头暴力可以在没有明显原因的情况下爆发。erupt into laughter/shouting/crying, etc.突然大笑/叫喊/大哭He erupted into laughter without any reason. 他毫无理由地大笑起来。3. alo
