The most important birthday in the US is the eighteenth.

最重要的生是岁生。

It really starts in the eighteenth century.

真正始于世纪。

It starts in the eighteenth century, at least in Britain.

至少英是这样的。

Let me see. Not until the eighteenth of September, I'm afraid.

让我看一下。下次开课恐怕要等到9月18。

Weren't there any other names available in the late eighteenth century?

世纪末就没有别的名字可用了吗？

She was going to talk with slides about our town amid eighteenth century.

她要用幻灯讲我们镇子世纪的事儿。

However, in the late eighteenth and nineteenth centuries, social dancing became more popular.

但是，到了18世纪末期和19世纪，交际舞变得更加流行。

Deforestation is a big problem in France since the seventeenth and eighteenth century.

自七和世纪以来在法滥伐森林是个很严重的问题。

Oh, thank you, my boyfriend bought it for my eighteenth birthday party.

噢，谢谢，这是我男朋友为了我18岁生派对买的。

On the eighteenth, I wrote the first four pages of the “On Writing” section.

我写了《论写作》部分的开头四页。

Meat-eating pitcher plants have been known since the eighteenth century, the University of Guelph says.

圭尔夫大学表示，食肉猪笼草早在18世纪就为所知。

In the eighteenth century a lot of musicians came to study and work in Vienna.

18世纪，许多音乐家前往维也纳学习音乐。

It was pretty far-sighted in the eighteenth century to say all men are created equal.

在 18 世纪，说生而平等是很有远见的。

People often have a big party on their eighteenth birthday, and receive a lot of presents.

岁时，们常会举行盛大的派对，并收到很多礼物。

The story is about an eighteenth century British diplomat in Italy, his wife and her famous lover.

这本书讲述了一位在意大利的18世纪英外交官、他的妻子和她著名情的故事。

In Europe, in the second half of the eighteenth century, there was an important change in society.

18世纪后半叶的欧洲社会发生了一项重大变革。

Until the eighteenth century, social dances were only held in palaces or the homes of noble families.

一直到18世纪，交际舞只在宫廷里或贵族的家庭里进行。

Then when Tom had his eighteenth birthday, Mr. Thompson took him to his usual bar for the first time.

当汤姆过岁生时，汤姆森先生第一次把儿子带到了他常去的那家酒吧。

The eighteenth century has been described as the age of reason and understanding for the rights of people.

18世纪被描述为理性以及理解民权利的时代。

It means to leave alone and not interfere. It was first used in France in the eighteenth century.

意思是让不管，不加干涉。这个词最初用在18世纪的法。