单词：backward wave tubes
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Dad, Can You Tell Me How to Get Rich? My dad put down the evening paper. Why do you want to get rich, son? Because today Jimmy's mom drove up in their new Cadillac, and they were going to their beach house for the weekend. He took three of his frien
动物街64号 Zoo Lane 第一季
By Paul Sisco Washington D.C. 24 January 2008 Wing Power, wave power, people power. Italian inventor Lucien Gambarota tries to capitalize on all three. VOA's Paul Sisco explains in this week's Searching for Solutions report. Lucien Gambarota is a vis
VOA标准英语2008年（一月）
Lesson 97 The Body 第97课 人体 If you wish to keep your body healthy, you must learn something about its inside as well as about its outside. 你想要有一个健康的身体, 那就不仅需要了解它的外部结构, 更要明白它的内在构
英国学生科学读本
插座、插头和其它连接物(电器连接) Sockets， plugs and other contacts [electric connections] 插头、插座及其他接触器(电接头) Plugs， sockets and other contacts [electric connections] 表面覆有带电导体的玻璃 Glass
英文语法词汇
Bottled water companies often brag about the purity of their drinks. Just imagine if they found a water source that's been cut off from the outside world for well over a billion years. Well, scientists have discovered just that, in isolated reservoir
Scientific American(五)月
This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,
Scientific American(九)月
Elon Musk's Hyperloop is getting its first working test track When Elon Musk, the PayPal billionaire, announced his plans for a near-supersonic transport system of passenger capsules levitating inside tubes it sounded like science fiction. Now the co
英语PK台
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 long [ lCN ] I longed for a bicycle. v
每日攻克5词
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 abbreviation [ E7bri:vi5eiFEn ] Jan is
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85 新功效的抗生素在加州诞生 DATE=8-15-01 TITLE=SCIENCE REPORT - Designer Antibiotics BYLINE=Jerilyn Watson （Start at 1'04
科技之光
今天我们要学的词是heat wave。 Heat wave, 热浪，高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气
英语单词荟萃
今天我们要学的词是heat wave。 Heat wave, 热浪，高温天气。 A heat wave is sweeping the Northeastern region of the United States, 美国东北部地区普遍出现高温天气。 The heat wave could be a record-breaker, 这次高温天气
英语每日一词
This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Solar cells convert sunlight to electricity. But they don't take advantage of all that solar heat, thereby missing out on the majority of the solar ene
Scientific American(四)月
drain作名词的时候可以指下水道。看见go down the drain这个习惯用语，你头脑里可能会出现这样的情景：有个人在洗澡的时候不小心把手上的钻戒滑落到浴缸排水孔里，在他还没来得及作出反应的
美国俚语
Todd: OK so, here we go, now Terry you were saying that you went from Vancouver to San Diego. How many days did that take? Terry: Um, the total trip took 42 days but that included one day on the bus up and then one day on the bus back so 40 days on t
原版英语对话1000个
Taliban attacks in Afghanistan rose sharply this year, underscoring the difficulty faced by the Afghan government and coalition forces trying to stamp out the persistent and deadly insurgency. But just how serious a threat does the Taliban pose to t
VOA标准英语2008年（九月）
Lesson 22 Foward and Backward 第22课 向前和向后 1. Do This! 1. 做这个！ Walk forward. 向前走。 Walk backward. 向后走。 Turn around. 转圈。 2. Can you do this? 2. 你能做这个吗？ Can you play cards? Woof! No, I can't. 你能玩
冀教版小学英语(三起)--第三册
我们前两次讲了几个带有up这个词的习惯用语。今天要讲的习惯用语却都有和up相对的词： down。 Down这个词最常用的解释是往下。 比方说在今天要学的第一个习惯用语里：go down the drain。 Drai
美国习惯用语
MICHEL MARTIN, HOST: Let's talk midterm elections now. The enthusiasm of Democrats is a major force shaping this year's crop of candidates. Among the results of a newly energized Democratic Party, far more women are running and expected to run in thi
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类缘何而来？猩猩？还是猿？要追溯到更远的话，应该是单细胞生物吧！ 纳尼！还不对？ 那究竟是什么呢？ 今天的节目将为您讲述生命的起源 Life Traces in Lava Don: Can I ask you something, Ya?l? Ya?l
英语听力文摘 English Digest