单词：shintenensis
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让我们承认吧：无人飞机摄影有一点恶心，它们有巨大的监管和安全问题。但是无人飞机摄影可以成为一个很有力的方法来对世界说出真相：一个抗议的规模，石油的逸散，三角洲后隐藏的动
TED公开课:重释机器
As you've probably experienced firsthand, some mosquito species have a real taste for warm, human blood. So much so that if you raise them on it the lab, they'll accept no substitute. Fortunately, I don't get major reactions at all. Brad Main is a mo
2016年Scientific American(九)月
HOST: Welcome to AMERICAN MOSAIC in VOA Special English. (MUSIC) I'm Doug Johnson. On today's program, we tell about an artist who uses everyday objects to make sculptures Answer a question about the store Wal-Mart And hear banjo music by Steve Mart
VOA慢速英语2009年（七）月
ROME, Dec. 3 (Xinhua) -- Italy lacks the necessary energy(能量,活力) and strength for an economic revival while unemployment and poverty are on the rise, warned a report issued Friday. The 44th edition of the Censis think tank social survey, the
英语新闻
In Africa's battle against malaria, two low-tech tacticsinsecticides and bed netshave done a decent job killing off mosquitoes. But it's mainly one species that's been affected. That's a species called Anopheles gambiae, sometimes called the African
2016年Scientific American(八)月
You might not think there would be that many people in the world prepared to devote lifetimes to the study of something so inescapably low key, 你或许会认为，世界上不会有多少人愿意花毕生的心血来研究那个不起眼儿的东西
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