[医] 电键板

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(47) / 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(46) / 评论(0)

万花筒2008年

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(150) / 评论(0)

2018年VOA慢速英语(二)月

蒋健棠英语广播 Episode24:中文在美国教育的地位

1. replace，取代;以...代替。 eg:Electric lights have replaced candles. 电灯已经取代了蜡烛。 2. trend,趋势。 eg:The general trend of history is unalterable. 历史发展的总趋势是不可改变的。 3. switch,改变，转移，变

发表于:2019-01-17 / 阅读(100) / 评论(0)

蒋健棠教你听英语广播

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(78) / 评论(0)

2018CRI中国国际广播电台

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(72) / 评论(0)

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学英语单词

a hop and a skip

Akankpa

analogue multiplier

anterior triangle of neck