| 单词 | once in a lifetime |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔invitation〕This is a once in a lifetime invitation to invest in your dream home in the sun.这是一个千载难逢的机会，购买你明媚阳光下的梦想之屋。剑桥高阶〔lifetime〕An opportunity like this comes once in a lifetime.像这样的机会一生也许只会遇到一次。牛津高阶〔lifetime〕It's the sort of opportunity you see only once in a lifetime .这种机会你一辈子也只能碰到一次。朗文当代〔lifetime〕That sort of thing happens only once in a lifetime.那种事一生只有一次。牛津搭配〔monogamy〕The practice of marrying only once in a lifetime.一次结婚制：一生中只结一次婚的习俗美国传统〔once〕An opportunity as good as this arises once in a lifetime.像这样好的机会可是千载难逢呀。剑桥高阶〔opportunity〕This sort of opportunity comes along once in a lifetime. = This is a once-in-a-lifetime opportunity.这种机会一生中只会出现一次。韦氏高阶An opportunity as good as this arises once in a lifetime (= very rarely).像这样好的机会一生只会出现一次。剑桥国际This is a once in a lifetime invitation to invest in your dream home in the sun.这是一个千载难逢的机会，投资买下你那栋阳光下的理想小屋。剑桥国际 |
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