Vasoligate
vt.結扎(人或動物)的輸精管
??? 情景例句
and I'm giving some thought to a new book on a different subject.
如今我又開始在構想另一本不同題材的新書。
He is the wisest man who does not think himself so.
不自以為聰明的人是最聰明的人。
How old are you?
你多大了？