1．三的英语：three，英 [θriː] 美 [θriː]。
2．直升机接到命令，紧急起飞前去营救三个登山的年轻人。A helicopter was scrambled to help rescue three young climbers.
3．有三分之二的人认为总统应当辞职。Two out of three people think the President should resign.
