sterilized
/ˈsterəlaɪzd/ 18If a person or an animal is sterilized, they have a medical operation that makes it impossible for them to have or produce babies. 给…做绝育手术
adjective [原级]无菌的；已消过毒的
This is milk that has not been sterilized.这是没有灭菌过的牛奶。
verb [vt. 及物动词]杀菌；消除；冻结（sterilize 的过去分词）
My wife was sterilized after the birth of her fourth child. 我妻子在生了第4个孩子后，做了绝育手术。
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