单词：Corylus chinensis
单词：Corylus chinensis 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 Robert Berger Jerusalem 02 November 2007 The Palestinian Authority has taken a step toward resuming security control in the volatile West Bank. As Robert Berger reports from VOA's Jerusalem bureau, the move comes ahead of another round of high-lev
VOA常速英语2007年（十一月）
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
RACHEL MARTIN, HOST: Senator Cory Booker is the latest Democrat to make it official. (SOUNDBITE OF POLITICAL AD, TOGETHER, AMERICA, WE WILL RISE) CORY BOOKER: Together we will channel our common pain back into our common purpose. Together, America, w
2019年NPR美国国家公共电台2月