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An international coalition has launched the first wave of attacks on Libyan air defences and tanks. The military action took place just hours after an emergency summit of world leaders in Paris ended on Saturday afternoon, Paris time. While the leade

发表于:2018-12-07 / 阅读(90) / 评论(0) 分类 创新英语

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

发表于:2018-12-24 / 阅读(68) / 评论(0) 分类 2016年Scientific American(九)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

发表于:2019-01-19 / 阅读(88) / 评论(0) 分类 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

发表于:2019-01-20 / 阅读(72) / 评论(0) 分类 2016年Scientific American(八)月

PARIS, May 28 (Xinhua) -- China's Li Na breezed past Romania's Sorana Cirstea.6-2, 6-2 to sail into the fourth round of the French Open for the second time on Saturday. The 6th-seeded Li, who became the first Chinese player to make a Grand Slam final

发表于:2019-02-08 / 阅读(33) / 评论(0) 分类 英语新闻

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

发表于:2019-02-21 / 阅读(78) / 评论(0) 分类 万物简史