The last decade of the twentieth century and the first decade of the twenty-first century were full of challenges and surprises, including several long and debilitating wars that are not yet over.

从二十世纪九十年代到二十一世纪的这数十年充满了挑战与意外，包括几场仍在持续的漫长又让人精疲力竭的战争。

youdao

My heart is racing and for a long liquor-addled moment I think Holy shit, I've gone all theway back to the Stone Age until Irealize that EXIT signs tend to congregate in the twentieth century.

我的心砰砰直跳，由于酒劲，我的脑中混乱了很长时间，心想，我的天哪，我一定是回到了石器时代，然后才慢慢意识到出口标志不是20世纪才多起来的么。

youdao

At the beginning of the twentieth century, there were four powerful means of transmitting and receiving information over long distances: print, photography, telegraph and telephone.

在20世纪初，有四种远距离传送信息和接收信息的有效方式：印刷、摄影、电报和电话。

youdao

So Levenson, who draws actually on long-standing work by other scholars, and earlier in the twentieth century even , Levenson finds several of the main elements of the Hittite suzerainty treaties in this speech.

所以Levenson凭借其他学者，甚至是二十世纪初的学者的作品，发现了在这段演说中,有几个存在在Hittite领主条约的主要元素。

耶鲁公开课 - 旧约导论课程节选