单词：reaction time measure (rt measure)
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HOST: This is SCIENCE IN THE NEWS, in VOA Special English. I'm Steve Ember. This week our program is about a mystery as old as time. Bob Doughty and Sarah Long tell about the mystery of time. (THEME) VOICE ONE: If you can read a clock, you can know t
VOA慢速英语2009年（十二）月
For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The
2018年VOA慢速英语(十一)月
说一口流利的英语，从简单的单词开始。 听听，读读，背背，今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms
每日攻克5词
They will share the information on how to improve. 他们会交流如何改善治疗效果的经验。 So it is, by measuring and creating transparency, 正是通过医疗效果量化和透明化， you get a cycle of continuous improvement, 我们进入
TED演讲娱乐篇
By Deborah Tate Washington 20 September 2007 Legislation to regulate U.S. troop deployment cycles in Iraq was blocked in the U.S. Senate late Wednesday by Republican opponents who argued the measure could undermine the war effort. The action was a bl
2007年VOA标准英语（九月）
Since the summer holiday comes, I have a lot of free time, as I stay at home all the time, my mother suggests me to take a part-time job, I am so willing to accept her idea, because I want to earn money by myself. I find a job as waiter, I have to wo
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