1、We did a lot of good work in the governors' conferences in the seventies and eighties.
70和80年代，我們在州長大會(huì)上做了很多有益的工作。

2、Most of the nuclear fleet came into service in the late seventies and early eighties.
大部分的核艦隊(duì)投入使用，在17世紀(jì)后期和18世紀(jì)早期。

3、1970s - the seventies are best known by the Oil Crisis of 1973 and the stock market crash in 1974.
1970年代——70年代最知名的是1973年的石油危機(jī)，和1974年的股票市場暴跌。

4、He looked to be in his seventies and, although careful with his steps, quite 16 spry for his age.
他看上去七十多歲的樣子，雖然他走路很小心，但他的步伐對他這個(gè)年齡的人來說還算很敏捷。

5、In the early seventies I wore false eyelashes, as was the fashion.
70年代初我戴假睫毛，那是當(dāng)時(shí)的時(shí)尚。

6、It was the seventies and a lot of exciting things were happening, discoveries in archeology.
當(dāng)時(shí)是七十年代，各種各樣令人興奮的事情、考古學(xué)的發(fā)現(xiàn)正在發(fā)生。