美国有线新闻 CNN 俄罗斯高超音速导弹发射成功 美国防部长称俄新武器不影响美战略

And our first story concerns a weapon that said to be hypersonic, meaning it would travel at several times the speed of sound. Russia's defense ministry says it's conducted a successful test of a hypersonic missile. A nation might want to want a weap

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That's an unnatural act for a rocket. 这对于火箭来说，不是一种自然的行为。 The third stage has a camera. 第三次发射，火箭上有一个摄像机。 We call it rocketcam. 我们称之为火箭摄像机。 And it's pointed at th

公务员口语24

Fire Claim Investigation Dialogue 1 -Fire department. -I'd like to speak to someone about a fire I had last night on my farm. -Do you have a policy with F.P.A? -I do.That's why I'm phoning you now. -All right,sir.could you give me the number of the

英语1000高频词汇(超级):第17课

[00:03.00]hold [00:03.41]hold n.把握, 把持力, 柄, 控制, 监禁, 掌握, 货舱 vt.拿着, 保存, 支持, 占据, 持有, 拥有 vi.支持, 保持, 有效 n.控制, 保留 [00:06.29]holiday [00:06.70]holiday n.假日, 节日, 假期 [00:09.38]home [00:09.78]home n.家, 住宅, 家乡, 本

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[00:03.61]I pron.我 n.字母I, [化]碘元素, 罗马数字1 [00:12.52]ice [00:13.12]ice n.冰冻食品 vt.冰冻, 覆以冰 vi.结冰 abbr.[军] Intenal Combustion Engine, 内燃机 [00:23.94]ice cream [00:24.54]ice cream n.冰淇淋 [00:30.65]idea [00:31.25]idea n.想法, 念头,

历史英雄名人演讲 第98期:汽车的未来(1)

10. The Future of Cars 10. 汽车的未来 The fact is, when we do our market research around the world, we see that there's nearly a universal aspiration on the part of people to own an automobile. And 750 million people in the world today own a car

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SSS 2009-03-16

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. On March 11th, Interior Secretary Ken Salazar called for a moonshot for energy independence. Hes set up a task force to look into the large-scale product

SSS 2009-05-13

This is Scientific American's 60-second Science. I'm Karen Hopkin. This will just take a minute. Hybrid cars are good for the environment, but scientists say that they might be bad for pedestrians. Because hybrids are so quiet that can be hard for wa

SSS 2010-07-06

Die-hard advocates of alternate energy might fantasize about cars that could one day run on water. But scientists in India have gone a step further. Theyve mathematically modeled an engine that should allow a motorcycle to run on aircompressed air, t

美国国家公共电台 NPR Nations Rush Ahead With Hypersonic Weapons Amid Arms Race Fear

STEVE INSKEEP, HOST: President Trump's national security adviser, John Bolton, is in Moscow for a second day today. He's there to discuss President Trump's pledge to withdraw from an arms control treaty that bans certain kinds of missiles. This is on

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Shelter-in-place ordered after fire at NASA

HOUSTON, July 25 (Xinhua) -- A shelter-in-place was ordered after a battery caught fire during a testing at NASA's Johnson Space Center Monday morning. A battery was being tested inside a containment system when it got overheated and caught fire at a

美国公司正在研发6倍音速飞机

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科学家将污染物变成打印机墨水

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I do not know the suffering of a person you love but love a person can love to the original as deaf as dumb. He is one of him, no matter what, you are accepted, do not want to do anything a little bit of modification. And the extraordinary in his eye

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ArcelorMittal will launch a new high-strength automotive steel later this year, throwing down the gauntlet to its rivals in the race to make cars lighter. 安赛乐米塔尔(ArcelorMittal)将于今年晚些时候发布一款新型高强度汽车用钢，

生活大爆炸第三季第二十一集_2

这是你耶 Look,it's you. 非常感谢你们让我住在这里 Thank you so much for opening up your home to me. 谁愿意住宾馆啊 Well,who wants to stay in a hotel? 窗户又打不开 诡异的卡片式钥匙 Windows that don't open,those craz