单词：Hittorf tubes
单词：Hittorf 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
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
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
By Margaret Besheer United Nations 02 October 2007 The U.N. Security Council has condemned an attack on African Union peacekeepers in Sudan's Darfur region that killed 10 of them, but could not agree on language for a formal statement. From U.N. hea
2007年VOA常速英语（十月）
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
美国独立乐队STRFKR《While I'm Alive》！当你年老，耄耋而至，听钟摆摇晃，每秒都是一刻的生命。越是临近死亡，越是怀念曾经的青春。 歌词： (Verse) Last night all that I could wait when I was sleeping I
金属
By June Soh College Park, Maryland 26 July 2007 Have you imagined eating a strawberry that tastes somewhat like chocolate, or cinnamon, or mint? That may be available in American grocery stores soon and eventually on the global market. A scientist's
2007年VOA标准英语（七月）
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
By Nick Wadhams Nairobi 04 October 2007 A group of elders including former U.S. President Jimmy Carter and Archbishop Desmond Tutu has told of the horrifying stories they heard during a visit to Sudan's Darfur region, and they urged the international
2007年VOA常速英语（十月）
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
By Mona Ghuneim New York 24 October 2007 The United Nations Special Envoy to Darfur says some Sudanese rebels have declined to take part in the upcoming peace talks and it is still uncertain who will participate. The talks with the Sudanese governmen
2007年VOA常速英语（十月）
Gabrielle: Hi, Annili! How are you today? Anili: Oh, I'm fine. Gabrielle: Good! Hey, I love your scarf! Anili: Oh, my scarf! Gabrielle: Yeah, where did you get it? Anili: Oh, I bought this scarf in Sydney. Gabrielle: Oh, OK. So, Sidney is your hometo
原版英语对话1000个
Gabon's Interior Ministry is introducing tougher security measures across the country after opposition riots brought an overnight curfew to a key port city. The violence followed the announcement that the son of the country's long-time leader has be
VOA标准英语2009年(九月)