单词：self-protected tubes
单词：self-protected tubes 相关文章
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
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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
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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,
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M: Did you hear how cold it got last night? W: I heard the radio announcer say it was 18 degrees below zero. M: It was so cold this morning. I could hardly start my car. W: My car didn't want to start either at first. M: Don't you have a garage? W:
想聊就聊
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
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This is Scientific American's 60-Second Science .I'm Cynthia Graber. This'll just take a minute. It's Valentine's Day, even for barnacles which are stuck to rocks. But evolution has endowed these stationary creatures with some curious abilities accor
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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
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Lung 肺 How many lungs do we have? 我们有多少块肺呢？ We have two lungs in our body. 我们有两块肺。 Lungs are protected by ribs. 肺由肋骨保护。 They are very big. They are about two times as large as one of our feet. 它们都很
与美国小学生一起学英文第4册
Song：Overprotected Artist：Britney Spears I need time, love, joy I need space, love I need me Say hello to the girl that I am You're gonna have to see through my perspective I need to make mistakes just to learn who I am And I don't wanna be so da
英语热力歌曲
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
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
英文歌词: overprotected(darkchild remix) say hello,to the girl that i am you're goona have to see though my perspective i need to make mistakes just to learn who i am and i don't wanna be so damn protected there must be another way cause i believe i
音乐咖啡厅
In the event of an accident, taxi drivers face possible bankruptcy since many are not protected by commercial insurance, and would be required to pay not only compensation to the accident victim, but also a penalty from the traffic administration. [P
世界各地新闻集锦
China to mark up protected zones for its territorial sea base points BEIJING, Sept. 12 (Xinhua) -- China's State Oceanic Administration (SOA) on Tuesday released a series of measures to select and protect areas as the base points of the country's ter
英语新闻