sterilize
verb [ T ] (UK usually sterilise) uk/ˈster.ɪ.laɪz/ us/ˈster.ə.laɪz/
(STOP CHILDREN)
为…做绝育手术，使绝育
to perform a medical operation on someone in order to make them unable to have children
After having five children, she decided to be sterilized. 生了5个孩子之后，她决定去做绝育手术。
(CLEAN)
为…消毒，使无菌
to make something completely clean and free from bacteria
All equipment must be sterilized before use. 所有设备使用前都要消毒。