He said he was twenty-one years old and the employment agency took him on faith .

他说他 21岁，职业介绍所 毫不 怀疑就相信了他。

He spent twenty-one hours in space .

他在太空中飞了 21 个小时。

At the same time he noticed that although it was nearly twenty-one hours the shop was still open .

他同时注意到，虽然时间已经快 到 二十一点了，这家铺子还开着门。

You are twenty-one years old and a promising graduate student at one of the top universities in the world .

你 二十一岁，是一个世界知名大学的很有前途的研究生。

Winterton has never had a sniff of a government job in his entire twenty-one years in parliament .

在国会的整整 21年里，温特顿没有得到过任何在政府里工作的机会。

I 'm twenty-one years old .

我 二十一岁。

Not yet twenty-one she exhibited the demeanour of a woman of forty .

尽管还不 到 二十一 岁，她已经流露出四十岁女人的风度了。

I was twenty-one that day in the golden age of my life .

那一天我 二十一 岁，在我一生的黄金时代。

Daniel had fasted and prayed twenty-one days and had a very hard time in prayer .

但以理禁食祷告了 二十一天在祷告上花了极大的苦工；可是没有得到答应。

A boy of the same age : about twenty or twenty-one .

这个男孩和 方 廷的年龄一样：大约二十或 二十一 岁。

Has been raised from eighteen to twenty-one .

由原来的十八岁提高到 二十一 岁。

Twenty-one years have passed since the First International Population Conference was held in Bucharest in 1974 .

自1974年在布加勒斯特首次召开国际人口会议至今，已经历了 21 个 春秋。

He counted the number of people present and fetched up with twenty-one .

他数了一下在场的人数，结果 共 有 二十一人。

Then they implemented a rule that the guinea is worth twenty-one shillings .

于是政府就执行了一个新令，规定一个几尼值 二十一 个先令的价值。

There are fifteen books on the first shelf twenty-one on the second that makes thirty-six in all .

书架的第一层有15本书，第二层 有 21本，总共是36本。

The diet is chosen under a franchise that is universal for citizens aged twenty-one and over .

国会由年满 二十一 岁以上的公民普遍选举产生。

I : Are you twenty-one years of age ?

I：你今年 21岁吗？

We wanted this to be a twenty shilling coin but now in the market it 's trading at twenty-one .

我们希望它是一个值二十先令的硬币，但现在它在市场上以 二十一 个先令的价值来交换。

Twenty-one days later I left London .

二十一天后，我离开了伦敦。

He was stricken at twenty-one with a crippling malady .

他 21 岁时突患致残重疾。

Yang Liwei spent about twenty-one hours in space .

杨利伟在宇宙中度过了大约 二十一 个小时。

The researchers tested the blood of all twenty-one people .

研究人员给所有 参加测试的 21 名人员检查了血液。

It lasted a record twenty-one days .

那持续一个创纪录的 二十一天。

They are now thirteen to twenty-one years old .

他们现在已经是十三至 二十一岁了。

Abstract : twenty-one cases of hypersplenism with portal hypertension were treated with partial splenic embolization .

文摘： 对 21例门静脉高压脾功能亢进患者进行了部分性脾栓塞治疗。

Twenty-one years have passed since then .

尔来 二十有一年 矣。

I was twenty-two — no twenty-one .

我当时22岁，哎呀不对，是 21 岁。

Spelled-out numbers from twenty-one to ninety-nine are hyphenated .

从 二十一到九十九的拼写出的数字都需要断字。

But Michael was twenty-one years of age and nothing could be done against his own willfulness .

但是迈克尔已经 二十一岁了，没有什么可以让他逆着他自己的意愿行事。

We waited twenty-one years don 't fail us now .

我们等了 21年了，如今不要让我们失望。