单词：guard interval length
单词：guard interval length 相关文章
High-Intensity Interval Training Gains Popularity 高强度间歇性训练在风靡 WASHINGTON Like fashion, food and almost everything else, fitness programs come - and go - in popularity. This year, the American College of Sports Medicine predicts
VOA标准英语2014年(二月)
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
By Leta Hong Fincher Washington, D.C. 20 July 2007 Almost two years after Hurricane Katrina devastated the U.S. Gulf Coast, the National Guard says it remains ill-prepared to respond to a sudden disaster. Some lawmakers are calling for better plannin
2007年VOA标准英语（七月）
Up in arms At arm's length 在美国人讲话时，或从书刊报纸上，你经常可以听到或见到一些由手臂，就是英文里的arms这个字组成的成语或俗语。有些习惯用语从
美国习惯用语
[00:39.12]height 高度 [00:43.33]length 长度 [00:47.42]mathematician 数学家 [00:52.35]be required to do something 被要求做某事 [00:58.34]measuring tape 卷尺 [01:04.45]A team of mathematicians were required [01:06.76]to measure the heigh
英语笑话（MP3+文本）
今天我们要学的词是off-guard。 Off-guard, 是没有提防，缺乏警惕的意思。以色列炮轰加沙后，联合国在加沙地区的一位高级官员说， We were caught off-guard by the operation, 这次行动让我们丝毫没有防备
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