单词：lindsaea javanensis
单词：lindsaea javanensis 相关文章
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
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
By Kurt Achin Seoul 19 October 2006 The United States and South Korea are discussing how to implement last week's U. N. Security Council resolution imposing sanctions on North Korea. The two countries' top diplomats warn of grave consequences, if No
2006年VOA标准英语（十月）
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
万物简史
本期内容： Conservationists have warned that the entire species of the critically endangered Javan rhino could be wiped out if a tsunami were to strike again. They once roamed the jungles of South East Asia and India, but today only 67 exist in
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