/ˈkreɪtə(r) ||; ˈkretɚ/noun[C] 1 a large hole in the ground （地面的）坑: The bomb left a large crater. 炸弹爆炸后留下了一个大坑。craters on the moon 月球上的环形山
2 the hole in the top of a mountain through which hot gases and liquid rock are forced (a volcano) 火山口 ☞picture at volcano 见volcano插图