Earth and Sky:Electric Fish 发电鱼

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

万花筒 2008-06-04&-06-05

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

美国国家公共电台 NPR Chinese Electric Carmaker Aims To Become A Global Brand

STEVE INSKEEP, HOST: And I'm Steve Inskeep in Beijing amid thousands of people in this city's Tiananmen Square. The Red Wall at the front of the Forbidden City is just behind me here. President Trump comes to this city this week. He's going to meet C

Electric Bike Ban in New York Hurts Food Delivery Workers

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-

VOA标准英语2010年-Electric Vehicles Charge Ahead in US

What's billed as the biggest rollout of electric vehicle infrastructure in the world is about to begin in the United States. Urban planners are deciding where to locate more than 11,000 charging stations in 11 major cities. They want those stations u

VOA标准英语2012--Electric Cars Face Issues in US

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2010年-Not Your Father's Electric Car

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

美国国家公共电台 NPR After Diesel Scandal, VW Turns To New Leadership And Electric Cars

STEVE INSKEEP, HOST: I think we've had this headline before. Volkswagen is trying to move on from its diesel scandal - again. VW admitted two years ago to installing devices in its diesel vehicles that falsely improved their emissions tests. Now it's

英语听力—环球英语 1267 Electric Guitars

Voice 1 Welcome to Spotlight. I'm Liz Waid. Voice 2 And I'm Adam Navis. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 This is the sound of a music instr

2015年CRI Electric Cars Make Headline Again

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

2018年CRI Electric cars unveiled at Beijing Motor Show

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

奥巴马每日发言Electric(2009-03-19)

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

英语听力文摘 English Digest 474、海洋独特的磁场

Motional Induction Last time, we talked about motional induction , a phenomenon by which the ocean generate s a magnetic field. It works like this: earth has its own magnetic field. The ocean has plenty of charged atoms in it, in the form of dissolve

英语听力文摘 English Digest 40、如何帮助陷入麻烦的好朋友

Dear Annie: I have known Celia for five years and love her like a sister. A few months ago, I found out that Celia's husband is having an affair with a former employee. I know he meets this woman at variousout-of-the-way places and that he leaves wor

365个英语简短小故事-203. A Life-Saving Cow

Six consecutive days of spring rain had created a raging river running by Nancy Browns farm. As she tried to herd her cows to higher ground, she slipped and hit her head on a fallen tree trunk. The fall knocked her out for a moment or two. When she c

Electric motor made in single molecule

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

2013年美国好声音 Electric Feel - Preston Pohl

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

英闻天下——296 Infrastructure Needed to Boost Electric Car Market

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

英语听力文摘 English Digest 392、最快的车是什么？

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

美国国家公共电台 NPR As More Electric Cars Arrive, What's The Future For Gas-Powered Engines?

SCOTT SIMON, HOST: The Democrats' proposed Green New Deal calls for America to eliminate greenhouse gas emissions from U.S. transportation, an ambitious goal that would require - among many other things - phasing out cars that run on gasoline. That m