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[00:04.57]Excitement fills the early morning air as you arrive at learn to recognize and name each part of the parachute. [00:19.17]You also learn what each part does. [00:22.05]The excitement builds as your teacher describes each stetp it of the jum

海事英语600句 03

Part 3 Taking a pilot 1. I require a pilot. 2. Pilotage is compulsory here. 3. My ETA at Dalian pilot station is 22:00 local time. 4. What is your distance from Londan pilot station? 5. Advise you to rig pilot ladder on port side. 6. Switch on lights

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NASA Successfully Tests Hypersonic 1 Jet Three years after its first test flight ended in an explosion, NASA on March 27 successfully launched an experimental jet that the agency believes reached a re

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SSS 2008-12-18

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Real-time information about whats happening in our bodies at the cellular level could be crucial for fighting cancer and other life-threatening conditi

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One of the most exquisite heat sensors in the worldits not in some government lab. It's in the head of a snake. The pit viper, to be specific. They're incredibly sensitive. They beat any of the synthetic counterparts, even the most expensive semicond

美国英语听力80篇3 Lesson45

[00:07.58]Igor Sikorsky was born in the city of Kiev, Russia; on May 25, 1889. [00:16.12]His mother was a doctor. [00:15.12]His father was a professor of psychology. [00:18.59]Igor became interested in science when he was very young. [00:23.82]He was

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2007-08-04, Dogfights: P-51 Mustang P-51野马战斗机

In 1940, North American Aviation designed the legendary P-51 Mustang in response to the British need for a high-performance fighter aircraft. The Mustang featured the most advanced laminar flow wing and a ducted cooling radiator positioned under the

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And indeed, unless this reef had an engine in its belly, how could it move about with such prodigious speed? 理由是：除非这暗礁在腹部有一架机器，不然的话，它怎能这样快地一会儿到达这里一会儿又到那里呢? Also

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I was driving down the Santa Monica freeway yesterday, headed towards downtown, when all of a sudden I see my engine light come on. Needless to say, that's not the sort of thing one likes to see. So I immediately pull over to the side of the road and

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Todd: Jonathan we are talking about conspiracy theories. What about the one where the sound? That when the rocket lands, they have actually audio of the rocket landing and you can't hear the rocket engine, and the rocket engine should be making a rea

经济学人39:怎样建造时速1000英里的汽车

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VOA标准英语2009-Air France to Replace Speed Sensors on Airbu

As search crews continued to look for more bodies and wreckage from last week's Air France plane crash, the French carrier has decided to immediately replace suspect speed sensors with new ones on all its long-haul Airbus carriers. The speed sensors

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十种方法让你的爱车少喝油 How To Boost Your Fuel Efficiency : We're regularly being reminded of the impact our lifestyle have on the environment. Being environmentally-friendly can also wind up saving you money。 如何提高燃料效率：

美国语文第五册 第195期:癫狂的火车司机(5)

I looked at the window, and found that we were dashing along at a speed never before traveled on that road. 我朝窗外望去，火车正以从未有过的速度箭一般向前飞驰， Posts, fences, rocks, and trees flew by in one undistinguished

英语听书《海底两万里》第91期 第7章 一种从未见过的鱼(14)

Ned Land had clear views on the issue. Conseil and I could only line up behind him. 对这，尼德兰也早有他的看法：我们康塞尔和我只能同意他。 But then, I said, does this contraption contain some sort of locomotive mechanism, a

High-Speed Trading Changing Stock Market

Wall Street analysts searching for reasons for the U.S. stock market's sharp swings in early August point to high unemployment, the European debt crisis and other basic economic problems. But some also suspect what is known as high-frequency trading,