The family made their money in the 18th century.

这个家族在18世纪创下了家业。

《牛津词典》

In the 18th century art was seen, along with music and poetry, as something edifying.

在18世纪美术和音乐、诗歌一样被看作是具有启发作用的。

《柯林斯英汉双解大词典》

In the 18th century, Naples, in southern Italy, had become one of the largest cities in Europe, and it was growing fast.

在18世纪，位于意大利南部的那不勒斯已经成为欧洲最大的城市之一，而且发展迅速。

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After the war, the town fell into disrepair but was rebuilt by billionaire John D.Rockefeller in the early 20th century, to preserve the atmosphere and ideals of 18th century America.

VOA: standard.2010.07.03

The actuall source is a fable written for children in the 18th century, by ?

实际上来自于18世纪,写给孩子的一个童话？

麻省理工公开课 - 电影哲学课程节选

The Netherlands also resisted absolutism, and the Dutch Republic remained the Dutch Republic; although, for reasons that we'll see later, the Dutch Republic ceases to be a great power in the 18th century.

荷兰抵制绝对统治的政体,保留了共合制,然而,后面我们将说到,荷兰共和国在十八世纪没落了

耶鲁公开课 - 欧洲文明课程节选

Economists since David Hume in the 18th century have known about the smooth workings of unified currency systems.

FORBES: Dollarize Emerging Markets

In the 18th century collectors sought writings by the Pilgrims and from the Salem witch trials.

FORBES: Magazine Article

In the 18th century the Catacombs became known as the Empire of the Dead.

CNN: Loving life in Paris' Empire of the Dead