vt.

1. 使无菌，消毒
   A dentist sterilizes his instruments.

   牙科医生给他的器具消毒。

2. 使绝育
3. 使无用，使不起作用
4. 使贫瘠化

v.

1. make sterile.
2. deprive of the ability to produce offspring by removing or blocking the sex organs.