In the mid-nineteenth century, Dorothea Dix began to campaign for humane treatment of the mentally ill.

在19世纪中叶，多罗西娅·迪克斯发起了为精神病患者争取人道待遇的运动。

《柯林斯英汉双解大词典》

The realistic and naturalistic painters of the mid- and late-nineteenth century were all intently aware of photography—as a thing to use, to learn from, and react to.

19世纪中后期的现实主义和自然主义画家都非常关注摄影——把它当作一种可以使用、可以向其学习和作出反应的东西。

youdao

Except for some minor eruptive activity in the mid-nineteenth century, the volcano has been inactive since formal records began in the 1820s.

19世纪20年代有正式史料记录以来，除了19世纪中叶的一些小喷发以外，该火山基本不活动。

youdao

For the most part, the Louvre museum's collection does not extend past works made in the mid-nineteenth century.

VOA: special.2010.06.23

In fact, he actually emphasized a concept that was first stated by a French philosopher Louis Blanc in the mid-nineteenth century.

事实上，他特别看重,一个由法国哲学家路易·勃朗,在十九世纪中期,率先提出的概念。

耶鲁公开课 - 金融市场课程节选

That's a term that first entered the English language sometime in the mid-nineteenth century, but of course the concept goes earlier.

这个词在19世纪中期,第一次出现在英语中，当然概念产生得早些。

耶鲁公开课 - 金融市场课程节选

Patented in the U.S. in the mid-nineteenth century, the first postcard was created for the world fair in Chicago in 1893.

CNN: Can postcards survive in the digital age?

'Silk Road' is a relatively recent designation dating from the mid-nineteenth century when the German geologist, Baron Ferdinand von Richthofen, named the trade and communication network Die Seidenstrasse (the Silk Road).

UNESCO: Culture

The Cocolo dancing drama tradition developed among descendants of British Caribbean slaves who had come to the Dominican Republic in the mid-nineteenth century to work in the sugar fields.

UNESCO: Intangible Cultural Heritage