慢慢地，随着某些使用规则的出现，到十九世纪时名片变得普遍起来。

Gradually, with the development of certain rules of use, the CARDS had become common by the nineteenth century.

youdao

到十九世纪中叶，它已经将不列颠人驱赶出西北部太平洋，并巩固了自己在西半球的霸权。

By the mid-19th century, it had pushed Britain out of the Pacific Northwest and consolidated its hegemony over the Western Hemisphere.

youdao

这可以部分解释为什么得克萨斯至今没有一个拉丁裔州长，而加州也只有一位，还要追溯到十九世纪三十年代了。

That may partly explain why Texas has never had a Latino governor, and California has had only one, back in the 1830s.

youdao

They also found some stockpiles of the virus from the 1950s that they still had on an Army base in Maryland,I think.

政府也在马里兰军队驻地发现了,从十九世纪五十年代储存到现在的病毒

耶鲁公开课 - 生物医学工程探索课程节选

So I would say the tradition goes back to the 18th century not even to the constitution.

我认为这个传统可以回溯到,十九世纪，甚至在宪法出现之前。

普林斯顿公开课 - 人性课程节选

You can find a whole- you can sort of find a deep and abiding kind of American nationalism still in a lot of these budding Southern patriots, even by the 1850s, especially when they get scared about what secession might actually mean.

你会发现,可以说你会发现一种深层持久的,美国民族主义仍旧根植于许多,南方爱国者们心中,甚至到十九世纪五十年代还是如此,特别是当他们开始害怕,脱离联邦会导致何种不可预料的结果

耶鲁公开课 - 美国内战与重建课程节选