电位滴定

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

发表于:2018-12-07 / 阅读(77) / 评论(0)

(科普英语)Earth and Sky

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

发表于:2018-12-11 / 阅读(75) / 评论(0)

万花筒2008年

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

发表于:2018-12-18 / 阅读(47) / 评论(0)

2017年NPR美国国家公共电台11月

AMERICAN MOSAIC - Question About the Electric Guitar / Calif

AMERICAN MOSAIC - October 25, 2002: Question About the Electric Guitar / California Man's Unexpected Boat Trip / 2002 MacArthur Fellows HOST: Welcome to AMERICAN MOSAIC --VOA’s radio magazine in Spe

发表于:2019-01-02 / 阅读(138) / 评论(0)

American Mosaic

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-

发表于:2019-01-03 / 阅读(168) / 评论(0)

2018年VOA慢速英语(二)月

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

发表于:2019-01-11 / 阅读(60) / 评论(0)

VOA标准英语2010年(三月)

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

发表于:2019-01-13 / 阅读(81) / 评论(0)

VOA标准英语2012年(三月)

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

发表于:2019-01-13 / 阅读(80) / 评论(0)

VOA标准英语2010年(三月)

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

发表于:2019-01-16 / 阅读(56) / 评论(0)

2018年NPR美国国家公共电台4月

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

发表于:2019-01-19 / 阅读(59) / 评论(0)

环球英语 Spotlight

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

发表于:2019-01-19 / 阅读(84) / 评论(0)

2015CRI中国国际广播电台

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

发表于:2019-01-19 / 阅读(127) / 评论(0)

2018CRI中国国际广播电台

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

发表于:2019-01-26 / 阅读(111) / 评论(0)

美国总统每日发言

经济学人156:滴定进食

Science and technology 科学技术 Animal behaviour 动物行为 Drip-feeding 滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 Time to change restaurant 该换家馆子了。 BIOLOGISTS are sometimes acc

发表于:2019-01-26 / 阅读(94) / 评论(0)

经济学人科技系列

经济学人123:生态学里应用上了化学技术

Science and Technology Animal behaviour Drip-feeding 科技动物行为滴定进食 Ecology raids the techniques of chemistry 生态学里应用上了化学技术。 BIOLOGISTS are sometimes accused of physics envyand there is truth in this accusat

发表于:2019-01-26 / 阅读(85) / 评论(0)

经济学人科技系列

经济学人122:动物行为滴定进食

发表于:2019-01-26 / 阅读(94) / 评论(0)

经济学人科技系列

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

发表于:2019-01-30 / 阅读(101) / 评论(0)

英语新闻

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

发表于:2019-02-20 / 阅读(85) / 评论(0)

The Voice 美国好声音

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

发表于:2019-02-21 / 阅读(117) / 评论(0)

英闻天下

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

发表于:2019-03-17 / 阅读(333) / 评论(0)

2019年NPR美国国家公共电台2月

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