单词：pentacrinoideus
单词：pentacrinoideus 相关文章
By Al Pessin Washington 10 September 2007 The American commander in Iraq says the U.S. troop presence there will be reduced by about 2,000 this month, and another 3,500 by the end of the year. But General David Petraeus said he needs most of the 168,
2007年VOA标准英语（九月）
By Al Pessin Pentagon 10 April 2008 In congressional testimony this week, the top U.S. military and civilian officials in Iraq reported what they called real but fragile progress, and urged caution in any discussion of further U.S. troop withdrawals,
VOA常速英语2008年（四月）
The coalition commander in Iraq, General David Petraeus, has left his post after a momentous year and a half, during which he is widely credited with turning around the fight against a variety of insurgent groups. He will now become the overall comm
VOA标准英语2008年（九月）
与数字有关的英语词根总结 milli-【千分之一】例：milliampere（毫安）=milli（千）+ampere（安培） centi【百分之一】例：centimeter（厘米）=centi（百分之一）+meter（米） deci【十分之一】例：decibe
英语学习方法
用数学知识强化记忆 fourscore = four(4)score(20) 80 美国第16任总统林肯演说词第一句：fourscore and seven years ago， 那么，怎样才能记住 fourscore 这个词而终生不忘呢？只要我们了解了fourscore 的逻辑思维
实用英语
【大森】美国sing-off冠军Pentatonix最新纯人声超赞翻唱Calvin Harris和绵羊音Ellie Goulding热单《I Need Your Love》。人声合唱搭配五彩缤纷的mv剪辑，让人眼前眼花缭乱的同时身体也不禁随着节拍舞动起
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