But since the nineteen eighties Niger has gotten a lot greener.

但自从20世纪80年代以来，尼日尔的绿化越来越好。

youdao

Some believe it came from television programs popular in the nineteen eighties.

有些人认为它出自20世纪80年代流行的电视节目。

youdao

Since the nineteen eighties, doctors in more than seventy tropical nations have used one main drug to treat schistosomiasis.

从20世纪80年代起，70多个热带国家的医生们都使用一种主要药物来治疗血吸虫病。

youdao

Varroa mites have been causing serious problems in bee colonies in the United States since the late nineteen eighties.

VOA: special.2009.09.22

They are being honored for their work in the nineteen eighties about the health of cells and the aging process.

VOA: special.2009.10.07

In the nineteen eighties and nineties, an American television comedy series told about four older women living in Miami,Florida.

VOA: special.2010.06.06

The contractions in the early nineteen-eighties and in the early nineteen-nineties were driven by the Federal Reserve, as Paul Volcker sought to bring down inflation and Alan Greenspan sought to head it off before it got established.

NEWYORKER: Replay

In the early nineteen-eighties, Goldman and Morgan Stanley were roughly the size of Evercore today.

NEWYORKER: What Good Is Wall Street?

Finally, in the nineteen-eighties and nineties, there was a period of remarkable racial and ethnic diversification.

NEWYORKER: Live and Learn