So, let's go back to the thrilling days of the end of the 19th century, and just take stock.

让我们回到激动人心的,19世纪末，稍微想一下。

麻省理工公开课 - 固态化学导论课程节选

It's sort of an epic novel that takes place in 19th century American West.

这是一部史诗小说，记录了19世纪美国西部的故事。

你最喜欢的作家是 - SpeakingMax英语口语达人

It is an electron beam. In the 1890s, the latter part of the 19th century a very fashionable word was "ray."

那是个电子束，在十九世纪九十年代，就是19世纪末,一个很时髦的词汇-“光线“

麻省理工公开课 - 固态化学导论课程节选

This was a 19th century British law case that's famous and much debated in law schools.

这是19世纪英国的一则法律案例,众多法学院争论不休的著名案例。

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Also, we don't have accurate censuses until the 19th century.

况且,直到十九世纪我们才有了,精确的人口普查

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What did we know at the end of the 19th century about the structure of the atom?

在19世纪末,关于原子结构我们了解多少呢？

麻省理工公开课 - 固态化学导论课程节选

This went out at the end of the 19th century, and so on.

这在19世纪末期后就结束了。

麻省理工公开课 - 固态化学导论课程节选