The most important birthday in the US is the eighteenth.

美国人最重要生日是岁生日。

It really starts in the eighteenth century.

真正始于纪。

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日。

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

纪末就没有别名字可用了吗？

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

她要用幻灯片讲我们镇子纪事儿。

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

但是，到了18纪末期和19纪，交际舞变得更加流行。

But the turning point in this story came along during my eighteenth birthday.

但是这个故事转折点发生在我岁生日时候。

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岁生日派。

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

至少英国是这样。

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

日我写了《论写作》部分开头四页。

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纪就为人所知。

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

18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 纪，说人人生而平等是很有远见。

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

岁时，人们常会举行盛大派，并收到很多礼物。

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

自七和纪以来在法国滥伐森林是个很严重问题。

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18纪英国外交官、他妻子和她著名情人故事。

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

18纪后半叶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纪，交际舞只在宫廷里或贵族家庭里进行。

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

18纪被描述为理性以及理解人民权利时代。

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

意思是让人不管，不加干涉。这个词最初用在18纪法国。