单词：
单词： 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
Having a good chat Neil : This is Real English from BBC Learning English. Im Neil. Helen : And Im Helen. Neil : Today were going to look at words and phrases that have recently become part of the English language. Helen : 在我们的Real English《地道
地道英语在线听
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
The Miracle Teabag Doctors have used a revolutionary stem cell treatment to restore the power of speech for a stroke victim. Walter Bast also regained the use of his right arm after the operation to place a 'teabag' of drug-producing stem cells in hi
阅读空间
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