Boffins are pondering birth control for elephants, including even vasectomies.
科学家正在考虑对大象进行节育，包括对公象做切除输精管手术。
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The Sichuan Reproductive Faculty Hospital in Chengdu has performed more than 30 procedures to reverse tubal ligations and vasectomies for quake parents.
位于成都的四川生殖专科医院已经为灾区的父母施行了30多例输卵管复通术和输精管重建术。
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He discussed the issue at a support group meeting of men with dementia, and it turned out that eight of the nine men in the room with PPA had had vasectomies.