一年一次的

Although Africa was a traditionally peaceful part of the Empire, between 17 and 24 AD, they were involved in the war against the mutinous Numidian and Mauritanian tribes.

但17-24年，他们被卷入了一场镇压部分努米底亚与毛里塔尼亚部族暴动的战争。18年，该军团一部在一次伏击中被歼。

May 31 news: at the "Chinese swimming team prepare for the London Olympics in 2012 the second phase of training the reserve talents" ceremony, the Chinese swimming team head coach announced the battle Zhengjie monoid in 2009 swimming world championships in Rome a list of the 49 National People's Congress, Qi Hui's lost one, the best winner of the last World Championships, the men's 200 meters butterfly silver medalist Wu Peng will be back after injury.

5月31日上午，中国国家游泳队备战2012年伦敦奥运会后备人才第二期集训在北京师大附属试验中学拉开帷幕。来自16个省市的62名优秀青少年游泳运动员将在此集训、学习半个月。本次集训是继国家游泳队第一次2008年河南郑州集训以后的又一次我国优秀青少年游泳人才的大展示、大比拼和大选拔。

The early 1800's were a period of reactionism, and although some liberal reforms were effected in the late 1800's, discontent remained and led directly to the Revolutions of 1905 and 1917, an internal power struggle, and the formation of the

这个地区长期是多个独立公国组成的共和体，直到莫斯科大公在14、15和16世纪获支配地位。17和18世纪彼得大帝和凯瑟琳大帝在位时，帝国势力和疆土达到最大限度。19世纪初是一段反动主义时期，尽管19世纪末进行了一些有效的自由改革，人民仍有不满，并导致了1905年和1917年的俄国大革命，一次内部势力之争和1922年苏联改革。

The Cosmos 1 solar sail was shot into space in 2005 (after five years of development and a failed launch in 2001) onboard a Russian Volna rocket.

Cosmos1号太阳帆已于2005年用Volna俄国火箭发射升空（历经5年研发和2001年的一次失败发射）。

In 2006, with its centennial approaching, St. Albans School, a private boys school founded in 1909, decided to embark upon its first new construction project in nearly 30 years.

2006年，接近圣奥尔本斯学校百年校庆之际，这个成立于1909年的百年男子老校，决定兴建一座新的建筑，这是近30年来的又一次扩建。

The success indicated that China has made new breakthrough in the development of large-scale sulphonation set and the technology.

中轻物产化工有限公司继2003年首先成功地研发了3.8t.h-1国产磺化装置及技术之后，又于2006年率先研发了5t.h-1国产磺化装置及技术，装置于2006年10月7日一次投料试车成功，取得国产大型化磺化装置及技术的新突破。

The night before Halloween in 1938, radio listeners were enjoying a broadcast of dance music when an announcer broke in to report that astronomers had seen blue flames shooting off Mars. The program was interrupted again and again, each announcement more alarming than the last. A spaceship had landed on Earth! Tentacled creature-Martians!-were coming out of the ship!

有时候，有害的玩笑也会酿成大祸，不一定非要是愚人节玩笑，也不一定是为了要把人戏弄一番。1938年万圣节前夜，正在收听音乐的人们被一个声音打断，播音员通知说，天文学家观测到火星上有蓝色火焰向外喷射，节目多次被中断，语气一次比一次紧急，&来自火星的飞船已在地球登陆，身披盔甲的火星人已经走出飞船&。

The last time I saw him, in 1947 at a reception in the Shanghai American Club, he was dressed in a full colonel's unifbcm and hobnobbing with American officials.

我最后一次见到他是在一九四七年，在上海美国俱乐部举行的一次招待会上，他身着笔挺的上校军服，正与几位美国官员在一起谈笑风生。

In the 5000 years' history of the Chinese culture there have been only two real cultural revolutions. One is the "proscribing all non Confucian schools of thought and espousing Confucianism as the orthodox state ideology" in the Han dynasty, hoisting the only banner of Confucianism through eliminating the other hundred schools.

纵观五千年的中国文化发展史，真正意义上的文化革命只有两次：一次是汉代的&罢黜百家，独尊儒术&，通过革文化百家之命，树儒学一家之帜，儒家文化从此成为中国文化的主流；另一次就是彻底地把儒学掀翻下马的&五四&运动。

Lease terms vary, but in the United States most vended laundries are based on a 10-year lease with two, five-year extension options.

租用条款会有所不同，但在美国，大多数投币洗衣房店面的租期都以10年为基础，之后每两年或五年续签一次。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。