The most important birthday in the US is the eighteenth.

美国人最重要的生日是十八岁生日。

It really starts in the eighteenth century.

真正始于十八世纪。

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?

十八世纪末就没有别的名字可？

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

她要幻灯片讲我们镇子十八世纪的事儿。

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

是，到18世纪末期和19世纪，交际舞变得更加流行。

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

是这个故事的转折点发生在我十八岁生日的时候。

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

噢，谢谢，这是我男朋友为我18岁生日派对买的。

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

至少英国是这样的。

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

十八日我写《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世纪就为人所知。

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，说人人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.

十八岁时，人们常会举行盛大的派对，并收到很多礼物。

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

自十七和十八世纪以来在法国滥伐森林是个很严重的问题。

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

这本书讲述一位在意大利的18世纪英国外交官、他的妻子和她著名情人的故事。

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。

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人民权利的时代。

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

意思是让人不管，不加干涉。这个词最初在18世纪的法国。