二十一

Of the millions who saw Halley's Comet in 1986, how many people will live long enough to see it return in the twenty-first century?

1986年看见哈雷彗星的千百万人当中，有多少人能够长寿到足以目睹它在二十一世纪的回归呢？

Of the millions who saw Halley's comet in 1986, how many people will live long enough to see it return in the twenty-first century.

1986年看见哈雷慧星的千百万人当中，有多少人能够长寿到足以目睹它在二十一世纪的回归呢？

In my heart also is as soon as move, I intuitively rush, the airship entered the hatchway still opens, as if waits for me, I enter into it in any cases, the gate fastens immediately.

我心中又是一动，直觉地奔了过去，飞船的进舱口仍开着，好像等我一样，我不管三七二十一钻了进去，门立即关紧。

Is a heat pump hot water unit specializing in research and development and application of high-tech enterprises, the introduction of the twenty-first century from Europe's most advanced heat pump technology.

是一家专业从事热泵热水机组研究开发与应用的高新技术企业，从欧洲引进二十一世纪最先进的热泵技术。

21St century will be an era of high-speed information transmission, globalization of business competition and fast high-tech development.

二十一世纪将是一个信息传递高速化、商业竞争全球化，科技发展高新化的时代。

The 21st century is knowledge economy era, high-tech industry will become the first backbone of knowledge economy, and developing high-tech industry is of important significant to realize sustainable development of national economy.

二十一世纪是知识经济的时代，高新技术产业将成为知识经济的第一大支柱，发展高科技对于一个国家经济的持续增长具有极为重要的意义。

Whatever the specific reason for leaving Holyoke, her brother Austin appeared on March 25, 1848, to "bring home at all events".

31无论是什么原因导致艾米莉离开了女子学院，她的兄弟奥斯丁在1848年3月25日突然出现，"不管三七二十一就将艾米莉带回了家"。

Energy is a hotspot problem in the 21st century.

能源问题是二十一世纪的热点问题。

A hyphen should be used in fractions and in the numbers twenty-one and above.

用在分数，或是二十一以上的数字

With the coming of 21〓 century, it's imminence to make machines that can process and distribute mass digital information.

随着二十一世纪的到来，制作能够处理和分配大量数字信息的机器变得越来越迫切。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。