他在二十年代是一个著名的艺术家。

He was a famous artist in the twenties.

youdao

在二十年代，裙摆随着股票价格上涨而升高。

In the Twenties, hemlines rose along with stock prices.

youdao

起始于1920年的长期农业萧条，使美国农民陷入贫因，并使他们在二十年代的大部分时间中，只是赔本。

The long depression in agriculture that began in 1920 impoverished American farmers and caused them to operate at a net capital loss during most of the decade.

youdao

That's very nice. So basically, you get a lot of benefit supposedly from this 7-Up soda from the 1920's or so.

这非常好，因此基本上，在二十世纪二十年代,喝到这样的七喜恐怕对你大有好处。

麻省理工公开课 - 化学原理课程节选

Because it was in the 1950's or so, maybe the late 1940's, that people started to discover lithium, even though it had no natural function, it did do something in our bodies.

因为在二十世纪五十年代左右，可能是四十年代末期，人们开始发现锂，尽管不参与人体的正常生理活动，但是它确实会对我们的身体产生影响。

麻省理工公开课 - 化学原理课程节选

An old crony and former colleague of mine was taking a course at Johns Hopkins in the 1960s.

我的一个老朋友也是我的大学同学,二十世纪六十年代的时候在约翰斯，霍普金斯大学上学。

耶鲁公开课 - 文学理论导论课程节选