vt.[H]

1. 使贫穷；使赤贫
   Her family was impoverished by a fire.

   她的家庭被一场火弄得一贫如洗。

2. 耗尽（精力等）；使贫瘠
   Its use impoverished the land.

   使用它的结果使得土地贫瘠了。

v.

1. make poor.
2. exhaust the strength or natural fertility of.