单词：effecive lever arm
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再一次比较 (E) 与 (I) 的区别 发 (E) 与 (I) 的音时，脸部肌肉要放松，但发 (I) 时，嘴形微开，发 (E) 时，嘴形要再张开些。 bed (bEd) 床 letter (`lEtK) 信 lever (`lEvK) 杠杆 bid (bId) 打招呼 litter (`lItK) 垃
赖世雄美语从头学（美语音标）
B: Great! Are the charges for the gas, water and the electricity included in the rent? A: Yes, but theres a ninety dollars hold-up fee charges by the gas company. Thats refunded after three month. B: I see. Thanks a lot. Unit Nine Repairing pipeline
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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 ] There must be something wr
每日攻克5词
Here in the Timor Sea off northern Australia, take a look at a creature that seems to have the soul of a riverboat gambler. It moves through turf dominated by large hungry predators, and it fights these predators in a way that will astound you. This
国家地理2007年
Once upon a time there was a princess who was ever so proud: if any man came to woo her she would set him a riddle, and if he couldn't guess it he was laughed to scorn and sent packing. She also had it made known that whoever did guess the answer to
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This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Maybe your dad said, The harder you work for something, the more youll appreciate it. Well, father really did know best, because a new study finds that the
Scientific American(十一)月
This is Morning Edition from NPR news.I am Steven Skip and I am Renee Montagne .Time now for our consumer health segment. Lots of people turn to physical exercise to get their bodies in shape. The concept of reshaping the mind is more elusive. Some
2005年NPR美国国家公共电台
To twist someone's arm To charge someone an arm and a leg 今天我们要讲的两个习惯用语是由 arm，也就是手臂和leg，也就是腿这两个字组成的。我们要介绍的第一个词汇
美国习惯用语
By Amy Katz Washington, DC 21 March 2006 watch Smoking Ban report The strictest smoking ban in the U.S. recently took effect in Calabasas, California, a suburb of Los Angeles. The town's mayor says pe
2006年VOA标准英语（三月）
我们今天要学的习惯用语都有这样一个关键词： shot。 Shot最普通的解释是开枪射击，然而它用在不同的地方会产生不同的意义。例如在今天要学的第一个习惯用语里， shot这个词的原意是打针
美国习惯用语
Tom is applying for a job as a signalman for the local railroad, and is told to meet the inspector at the signal box. The inspector decides to give Tom a pop quiz, asking, What would you do if you realized that two trains were heading towards each ot
趣味英语
By Greg Flakus Chancellor, South Dakota 21 June 2007 In an effort to lessen America's dependence on foreign oil imports and reduce pollution from vehicles burning gasoline, the U.S. government last year mandated that gasoline include a mixture of ten
2007年VOA标准英语（六月）
What If... 如果怎么样 Tom is applying for a job as a signalman for the local railroad. 汤姆在应聘做地方铁路系统的信号员。 The inspector decides to give Tom a quiz, asking, What would you do if you realized that two trains were h
英语小达人
这两天，宝宝离婚事件引得大家都在讨论，男士们该娶什么样的老婆。于是，就有人说，娶妻娶贤娶德不娶色。其实，这个问题本不该由别人来提供意见，自己心里想要娶什么样的老婆就只有
英文语法词汇
乔治桑（George Sand）曾经说过 There is only one happiness in life, to love and be loved. （生命里只有一种幸福：爱与被爱。）正所谓一杯白水，一口干粮，只要爱人在我身旁，荒漠也会变成天堂！找到了那
英文语法词汇
这两天，宝宝离婚事件引得大家都在讨论，男士们该娶什么样的老婆。于是，就有人说，娶妻娶贤娶德不娶色。其实，这个问题本不该由别人来提供意见，自己心里想要娶什么样的老婆就只有
英文语法词汇
Idiom: Second wind ( get recharged ) Hit the book: Spearhead Test drive Mass produce Mechanics Commercialize In the long term Equip with Autonomous Online search giant Baidu Inc said on Monday that it has set up a new business unit to spearhead its a
趣味青春英语
HOW POTTS SAVED THE NIGHT EXPRESS Ray Stannard Baker 波茨挽救夜行快车 雷斯坦纳德贝克尔 The men who command our ships, pilot our airplanes, and run the great locomotives that pull our trains cannot be weaklings. 操纵帆船，驾驶飞机
美国小学英语教材6