n.

1. 火山口[C]
2. （月环表面的）环形山[C]
3. 弹坑；陨石坑[C]
4. 【天】（大写）巨爵座[the S]

vt.

1. 使成坑
   Artillery cratered the road.

   大炮把路面轰得坑坑洼洼。

vi.

1. 形成坑

n.

1. a large bowl-shaped cavity, especially one caused by an explosion or impact or forming the mouth of a volcano.
2. a large bowl used in ancient Greece for mixing wine.

v.