气动的,以空气作动力的

Without air, there would be no fire

Without air, there would be no fire. There would be no cars or trucks, since motors need air in order to work. Without air, there would be no wind or clouds. There would be no weather, as we know it.(

发表于:2018-12-01 / 阅读(436) / 评论(0)

自考英语（一）78讲

Uses Hydrogen1 as Fuel2

Broadcast: February 14, 2003 By George Grow This is the VOA Special English Environment Report. President Bush has offered a plan to speed development of technology that uses hydrogen as fuel. His goa

发表于:2018-12-07 / 阅读(281) / 评论(0)

VOA2003（上）-科技导航

全球最大太阳能飞机首次环球之旅

Two adventurers hoping to make the first round-the-world trip using a solar-powered plane have successfully landed in Oman after launching the maiden leg of their global voyage. The two Swiss pilots have arrived in Oman after taking off yesterday fro

发表于:2018-12-11 / 阅读(210) / 评论(0)

英语新闻

VOA标准英语2015-Powered Exoskeletons Give Assistance in Walking, Lifting

Powered Exoskeletons Give Assistance in Walking, Lifting Powered suits that could help paralyzed people walk and others lift and carry heavy loads with ease have been an inventor's dream since late 19th century. But they had to wait until the 21st ce

发表于:2018-12-16 / 阅读(231) / 评论(0)

VOA标准英语2015年(七月)

79. In the air

Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town.

发表于:2019-01-03 / 阅读(408) / 评论(0)

英汉幽默故事选读

VOA标准英语2010年-Powered Parachute Gives US Rural Polic

As an alternative to expensive helicopters or traditional jets, some law enforcement agencies are experimenting with lightweight craft that stay airborne using just a parachute. Steve Mort | Palm Bay, Florida 01 January 2010 The Palm Bay Police Depar

发表于:2019-01-07 / 阅读(352) / 评论(0)

VOA标准英语2010年(一月)

VOA慢速英语 2007 1112a

DEVELOPMENT REPORT - Shining a Light on Water to Prevent Infections By Jill Moss / Broadcast: Sun, 11 Nov 2007 16:00:00 UTC This is the VOA Special English Development Report. Viruses, bacteria and other organisms in dirty water sicken hundreds of m

发表于:2019-01-11 / 阅读(267) / 评论(0)

VOA慢速英语2007年（十一）月

乌干达演示太阳能汽车

AS IT IS 2016-08-04 Ugandan Company Demonstrates Solar-Powered Bus 乌干达演示太阳能汽车 A bus powered by the suns energy has made its public debut. Kiira Motors Corporation demonstrated the new electric bus recently at a sports center in th

发表于:2019-01-12 / 阅读(289) / 评论(0)

2016年VOA慢速英语(八)月

木星探测船朱诺传送第一张照片

AS IT IS 2016-07-15 NASA Juno Spacecraft Sends First Photos of Jupiter 木星探测船朱诺传送第一张照片 This is Whats Trending Today. Juno is the name of the spacecraft made by NASA that is now orbiting Jupiter after a five-year journey. NA

发表于:2019-01-12 / 阅读(207) / 评论(0)

2016年VOA慢速英语(七)月

VOA标准英语2010年-Electric-Powered Aircraft Closer To Re

The drive to develop a battery to power automobiles, without using petroleum, is also behind the effort to develop an electric powered airplane. New designs for electric aircraft were recently unveiled at the Experimental Aircraft Association's (EAA)

发表于:2019-01-13 / 阅读(249) / 评论(0)

VOA标准英语2010年(八)月

VOA标准英语2009年-India Launches Nuclear Powered Submarine f

India has launched its first indigenously built nuclear-powered submarine capable of firing ballistic missiles. The submarine, once in service, will give the country the capability to fire nuclear weapons from sea besides land and air. The Indian na

发表于:2019-01-14 / 阅读(280) / 评论(0)

VOA标准英语2009年(七月)

VOA慢速英语2010年-Development Report - Solar-Powered Pum

This is the VOA Special English Development Report. Harvest in Benin A new study in West Africa shows how farm irrigation systems powered by the sun can produce more food and money for villagers. The study in Benin found that solar-powered pumps are

发表于:2019-01-31 / 阅读(256) / 评论(0)

2010年慢速英语(一)月

英语杂谈：07 Solar-powered battery chargers

Did you know that in general we have on the average, i guess, about 26 eletronic gadgets in our house and they are constantly all pluging them and charging them and very little that power actually goes to chargers. Some of it is just regularly runnin

发表于:2019-02-03 / 阅读(261) / 评论(0)

英语杂谈

谷歌收购无人机公司

谷歌收购无人机公司 In its latest purchase of high-tech companies, Google has acquired a manufacturer of solar-powered drones that can stay in the air almost indefinitely, relaying broadband Internet connection to remote areas. It is seen as

发表于:2019-02-06 / 阅读(211) / 评论(0)

英语新闻

英文歌曲:I Need Air

I Need Air Magnetic Man Electrify my body And you're makin' me feel Like I'm so electric Everything you do is makin' me Blow Blow Blow Don't know what to do about it Can't see how I'd live without it All I wanna do is just Know Know Know You suffocat

发表于:2019-02-11 / 阅读(267) / 评论(0)

好听的英文歌曲

经济学人:航空航天:可执行卫星作业的高空无人机 (1)

On August 6th a flimsy-looking pilotless aircraft, the Zephyr S, came slowly in to land at an undisclosed location in Arizona, 8月6日，一架薄得像纸一般的无人驾驶飞机Zephyr S在美国亚利桑那州的一个未知地点缓慢着陆，

发表于:2019-02-16 / 阅读(223) / 评论(0)

经济学人科技系列

英语口语俗语：前功尽弃，重新开始

啪！电源断了，屏幕黑了！这会儿，第一反应倒不是电脑故障，而是那要了命的稿件。忘了存盘，半个下午的努力前功尽弃。I am back to square one 我得从头开始写，你说气人不气人？短语back t

发表于:2019-02-18 / 阅读(191) / 评论(0)

英语口语

In the air

Matt and his wife lived in the country. Matt was very stingy and hated spending money. One day a fair came to the nearby town. Let's go to the fair, Matt, his wife said. We haven't been anywhere for a long time.Matt thought about this for a while. He

发表于:2019-02-18 / 阅读(343) / 评论(0)

趣味英语

美国习惯用语:320 thin air; come up for air

今天我们要讲的习惯用语都有air这个词。大家都知道air是空气。早在十七世纪，意大利科学家伽利略发现空气似乎没有实质却有重量。后来人们进一步发现高山顶上的空气要比海平面上的空气

发表于:2019-02-18 / 阅读(373) / 评论(0)

美国习惯用语

In India, World’s First Solar Powered Airport Keeps Expanding

People flying into Indias southern city of Cochin may see numerous solar panels around Cochin International Airport. But they may not know that the airport was the first in the world to be fully powered by solar energy. A sea of shiny solar panels st

发表于:2019-02-18 / 阅读(245) / 评论(0)

2019年VOA慢速英语(二)月

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adjustable horizontal stabilizer