My wife and I have discussed sterilization, but we haven't made a decision about it yet.我和妻子商量过绝育，不过我们还没有拿定主意。Cases of purportedly sterilised women becoming pregnant had recently become more common.那些据称已绝育的妇女怀孕的情况最近变得更常见了。The organization encourages people to sterilize their cats and dogs.这个组织鼓励人们给猫狗绝育。