今天我們要學的詞是 once-in-a-lifetime. Once-in-a-lifetime 是千載難逢的意思。A once-in-a-lifetime experience 千載難逢的經(jīng)歷。President Barack Obama said the nuclear framework agreement reached last week with Iran represents a "once-in-a-lifetime" opportunity to bring some stability to the Middle East. 美國總統(tǒng)奧巴馬說,上星期跟伊朗達成的核框架協(xié)議是一個可以給中東帶來穩(wěn)定的千載難逢的機會。好的,今天我們學習的詞是 once-in-a-lifetime, once-in-a-lifetime, once-in-a-lifetime...