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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
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
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有些单词提笔就忘，这让考雅思的考生们可是郁闷到了极点。在普特英语，小编为广大的雅思考生们收集了这些提笔就忘的高频单词，希望对大家有用哦！ accident/incident accident：突发性的，一
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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
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Innovative Electric Aircraft Win Green Flight Challenge We often hear about hybrid cars, which run in part on electricity and can travel about 20 kilometers on a liter of fuel. Engineers are also experimenting with another mode of electric transporta
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The nets were hauled on board. 鱼网被拉上船来。 They were a breed of trawl resembling those used off the Normandy coast, h 网是袋形的，跟诺曼底沿海使用的很相似， uge pouches held half open by a floating pole and a chain lac
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