单词：electric-generator tachometer
单词：electric-generator tachometer 相关文章
[00:04.00]flight [00:06.22]n.飞翔，飞行；航班；航程；楼梯的一段 [2]逃跑，溃退 [00:08.44]fling float flock [00:11.62]vt.(用力地)扔,抛,丢 v./n.漂浮,浮动 n.(禽,畜等的)群;大量v.群集,成群 [00:14.81]flood floor [0
考研英语词汇2005
Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod
(科普英语)Earth and Sky
The new gasoline/electric hybrid Chevrolet Volt Today President Obama visits a U.S. auto plant that makes the battery-powered Chevrolet Volt. Some analysts think the Volt could revitalize the struggling American auto industry with its high-tech batte
VOA标准英语2010年(七)月
Amid all the tradition and history of Katmandu, a profound change is in the air. In fact, it might literally clear the air, reducing the choking pollution which has blighted this congested valley. The streets of the capital are gradually being taken
万花筒2008年
With the last of April the sun disappeared, leaving only a faint glint of brightness now and then along the horizon. 四月的最后一天，太阳消失了，只在地平线上留下一点忽闪忽现的微弱光芒。 Inside the huts, however, a fl
美国小学英语教材5
A ban on electric bicycles in New York City is hurting delivery workers who depend on them to earn a living. Many of the workers are immigrants. Electric bicycles, or e-bikes, have foot-powered pedals like other bicycles. But they also have electric-
2018年VOA慢速英语(二)月
Bladeless Wind Generator Safe for Birds Wind turbines are tall structures with large blades used to produce electricity. They are useful sources of low-cost, renewable energy. But they can also be deadly to birds and bats. The turbines large blades t
2015年VOA慢速英语(七)月
Electric Cars Face Issues in US Fate of the US electric car Volt owner Frederico Goodsaid can practically sneak up behind people. He says he likes the sheer silence of his electric car. Goodsaid also enjoys driving by these. I pass over 50 gas statio
VOA标准英语2012年(三月)
You're in the market for a new car. You want something environmentally responsible, but you don't want to give up fun. Now you don't have to. But it comes at a cost. Rebecca Ward | Washington DC 24 March 2010 Hot. Hot and green. That's because the Te
VOA标准英语2010年(三月)
RAY SUAREZ, HOST: After Harvey and Irma, the hurricane season wasn't over. Hurricane Maria made landfall on Puerto Rico as a massive Category 4 storm. Months later, the power supply is still spotty, and thousands of homes still rely on generators. Da
2017年NPR美国国家公共电台12月
Official figures from the Ministry of Transportation show emissions from car exhaust account for 31 percent of the country's total air pollution. In an effort to bring that figure down, the central government has been supporting a series of subsidies
2015CRI中国国际广播电台
Automakers are rolling out their new electric vehicles at the 2018 Beijing Motor Show, the motor industry's biggest sales event this year. Carmakers expect new growth in China's market despite the looming threat of a trade war between China and the U
2018CRI中国国际广播电台
暂无音频 the President just spoke at the Edison Electric Vehicle Technical Center in Pomona, California. The Center provides a broad range of electric transportation services, focusing on solutions for automakers, battery manufacturers, government a
美国总统每日发言
Solar power 太阳能 The third way 第三种方法 A new method of making electricity from sunlight has just been tested 一种从太阳光得到能源的新方法正在尝试 AT THE moment, there are two reliable ways to make electricity from sunli
经济学人综合
JUDY WOODRUFF: Next: the possibilities of getting more energy through water. Humans have long harnessed the power of water to perform work. In modern time, hydroelectricity, generated by the power of water flowing through turbines at the base of dams
PBS访谈环境系列
BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist
英语新闻
It was the summer of 1878. Tom had been working hard for a long time. He was thinking about taking a vacation. Then a friend invited him to join a group of scientists. They were traveling by train to Wyoming to see an eclipse of the sun. Tom decided
名人认知系列 Who Was
All along the western front People line up to receive. She got the power in her hands to shock you like you won't believe. Saw her in the amazon With the voltage running through her skin Standing there with nothing on She's gonna teach me how to swim
The Voice 美国好声音
According to statistics, more than 27-thousand electric vehicles have been sold in the 25 cities around China that are conducting electric vehicle trials. Among the vehicles, 23-thousand are serving the public service sector, but only four-thousand f
英闻天下
What Makes Hybrid Cars So Efficient ? 最快的车是什么？ Don : Hybrid cars are known as hybrid s because they use an electric motor to augment the performance of a small, efficient gasoline engine. But this isnt the only reason hybrid s are mor
英语听力文摘 English Digest