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美国英语听力80篇3 Lesson45

时间:2011-03-26 05:48:15

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[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 psychology1.
[00:18.59]Igor became interested in science when he was very young.
[00:23.82]He was especially interested in the possibilities of human flight.
[00:28.94]As a ten-year-old boy, he started building toy flying machines out of paper and bamboo.
[00:36.59]One was a helicopter2.
[00:38.97]Igor turned the blades3 and held them in place with a thin piece of rubber.
[00:45.08]When he let go of the rubber, the blades turned in the opposite direction.
[00:50.57]And the little helicopter flew around the room.
[00:54.12]Igor dreamed of building a real helicopter.
[00:59.08]But he had little hope.
[01:01.41]Later he said: "I had read with great interest the stories of French writer Jules Verne.
[01:08.38]In some of the stories,Verne described a helicopter.
[01:13.00]Many intelligent people, however, said such a machine would never fly.
[01:19.33]So I decided4 my dream would remain just that."
[01:23.01]Sikorsky entered the naval5 college in St. Petersburg.
[01:27.87]Then he studied engineering6 at the Polytechnic7 Institute in Kiev.
[01:33.25]He did not know that -- a few years earlier -- Americans Orville and Wilbur Wright had succeeded in flying.
[01:42.52]In 1908, Sikorsky traveled to Germany with his father.
[01:48.53]He saw a picture in a newspaper of Orville Wright and his airplane.
[01:54.02]"Within twenty-four hours," he said, "I decided to change my life's work.
[02:00.31]I would study aviation8."
[02:03.76]The next year, Sikorsky went to Paris.
[02:07.42]At that time,Paris was the center of aviation in Europe.
[02:12.83]Sikorsky met several French pilots, including Louis Bleriot, the first person to fly across the English Channel.
[02:21.50]The pilots gave him advice about building successful airplanes.
[02:26.83]Sikorsky returned home to Kiev after learning9 all he could in Paris.
[02:34.01]He decided to build a helicopter, even though many experts said it was not possible.
[02:41.64]He tested his first helicopter in 1909.
[02:46.55]It weighed too much and had too little power.
[02:50.89]It could not get off the ground.
[02:53.47]He tested his second helicopter a year later.
[02:57.94]That one could lift itself off the ground.
[03:01.67]But it was not powerful10 enough to lift a pilot, too.
[03:05.75]After these failures, Sikorsky decided to work on airplanes; instead.
[03:11.89]His technique was unusual.
[03:15.81]First, he drew pictures of a plane.
[03:19.02]Then he built it.
[03:21.06]Finally, he trained himself to fly it.
[03:24.58]In this way, he quickly discovered any problems in the design and was able to correct them.
[03:31.82]The first plane Sikorsky designed and built was called the S2.
[03:38.04]He tested it in the summer of 1910.
[03:41.90]Justs two years later,another Sikorsky plane -- the S6 -- won the highest prize at an aviation show in Moscow.
[03:40.90]Sikorsky's success helped win him a job as head of the airplane division11 of the Russian Baltic Railroad12 Car Works13.
[03:51.87]That is where he developed his first major new airplane design.
[03:56.60]Planes at that time had only one engine.
[04:01.10]Sometimes, a plane's propeller14 pulled masses of flying insects into the engine.
[04:07.13]The engine stopped, and the plane crashed.
[04:10.50]Sikorsky thought planes would be safer if they had more than one engine.
[04:16.56]So he designed a plane with four engines.
[04:20.19]He called it "The Grand15."
[04:23.12]Sikorsky's plane was revolutionary.
[04:27.84]It was the first to have more than one engine.
[04:32.02]It was the first to have a closed area for the pilot and passengers.
[04:37.72]And it was the first to have a toilet.
[04:41.25]After designing "The Grand," Sikorsky designed an even bigger airplane.
[04:46.94]He called it the "Ilia Mourometz," the name of a famous Russian who lived in the Tenth century.
[04:55.22]He made a military version of this plane


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1 psychology U0Wze     
n.心理,心理学,心理状态
参考例句:
  • She has a background in child psychology.她受过儿童心理学的教育。
  • He studied philosophy and psychology at Cambridge.他在剑桥大学学习哲学和心理学。
2 helicopter Rd1xg     
n.直升飞机;vt.用直升飞机载送;vi.乘直升飞机
参考例句:
  • The helicopter flying at a height of 5,000 meters.这架直升机正在五千米的高空飞行。
  • The pilot landed the helicopter in a rice field.飞行员将直升飞机降落在一片稻田里。
3 blades 03a4ed180b7ec649d415477e92c8122b     
n.刀口( blade的名词复数 );(机器上旋转的)叶片;桨叶;(船桨的)桨叶
参考例句:
  • the blades of a propeller 螺旋桨叶
  • Stay well away from the helicopter when its blades start to rotate. 直升机的螺旋桨开始转动时,尽量离远点儿。
4 decided lvqzZd     
adj.决定了的,坚决的;明显的,明确的
参考例句:
  • This gave them a decided advantage over their opponents.这使他们比对手具有明显的优势。
  • There is a decided difference between British and Chinese way of greeting.英国人和中国人打招呼的方式有很明显的区别。
5 naval h1lyU     
adj.海军的,军舰的,船的
参考例句:
  • He took part in a great naval battle.他参加了一次大海战。
  • The harbour is an important naval base.该港是一个重要的海军基地。
6 engineering vtyzmS     
n.工程,工程学,管理,操纵
参考例句:
  • The science of engineering began as soon as man learned to use tools. 人类一学会使用工具,工程科学就开始了。
  • It was the first great engineering works in the world. 这是世界上第一家大型的工程工厂。
7 polytechnic g1vzw     
adj.各种工艺的,综合技术的;n.工艺(专科)学校;理工(专科)学校
参考例句:
  • She was trained as a teacher at Manchester Polytechnic.她在曼彻斯特工艺专科学校就读,准备毕业后做老师。
  • When he was 17,Einstein entered the Polytechnic Zurich,Switzerland,where he studied mathematics and physics.17岁时,爱因斯坦进入了瑞士苏黎士的专科学院,学习数学和物理学。
8 aviation aviation     
n.航空,航空学,飞机制造业
参考例句:
  • Ten years ago,they began to develop the aviation. 十年前,他们开始发展航空工业。
  • Pilots of large aircraft are masters of aviation.大型飞行器的驾驶员是航空学方面的专家。
9 learning wpSzFe     
n.学问,学识,学习;动词learn的现在分词
参考例句:
  • When you are learning to ride a bicycle,you often fall off.初学骑自行车时,常会从车上掉下来。
  • Learning languages isn't just a matter of remembering words.学习语言不仅仅是记些单词的事。
10 powerful E1Zzi     
adj.有力的,有权力的,强大的
参考例句:
  • The UN began to get more and more powerful.联合国开始变得越来越强大了。
  • Such are the most powerful voices of our times!这些就是我们时代的最有力的声音!
11 division bsDxb     
n.区分,分开,除法,公司,部门,师(军队里)
参考例句:
  • Have you learnt division?你学会除法了吗?
  • The division commander ordered that we start the attack before dawn.师长令我们在拂晓前发起攻击。
12 railroad ATIxl     
n.铁路;vi.由铁路运输
参考例句:
  • The railroad connects two cities,namely,New York and Chicago.这条铁路连接两个城市,即纽约与芝加哥。
  • My brother is working on the railroad.我兄弟在铁路系统工作。
13 works ieuzIh     
n.作品,著作;工厂,活动部件,机件
参考例句:
  • We expect writers to produce more and better works.我们期望作家们写出更多更好的作品。
  • The novel is regarded as one of the classic works.这篇小说被公认为是最优秀的作品之一。
14 propeller tRVxe     
n.螺旋桨,推进器
参考例句:
  • The propeller started to spin around.螺旋桨开始飞快地旋转起来。
  • A rope jammed the boat's propeller.一根绳子卡住了船的螺旋桨。
15 grand 0fDx4     
adj.豪华的,宏伟的,壮丽的,主要的,重大的;n.(美俚)一千美元
参考例句:
  • The pianist played several pieces of music on a grand piano.钢琴家在一架大钢琴上弹了几首乐曲。
  • Come on,I'll give you the grand tour of the backyard.跟我来,我带你去后院来一次盛大的旅游。

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