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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
BEIJING, Oct. 8 (Xinhuanet) -- U.S. singer Toni Braxton has filed for bankruptcy(破产) a second time, citing millions of dollars in debt, according to media reports Friday. The six-time Grammy Award winner filed for bankruptcy in Los Angeles, meani
英语新闻
Toni Braxton是90年代最受欢迎的RB女歌手之一，她同时也是成功的商业歌手。她能够迎合各大阵营的口味：对RB听众来说她的声音够骚灵，在现代成人乐上够柔和；对成年人来说够老练，对年轻一代则够撩人；能够抚慰女性受伤的心灵，同时也让男人消魂。依靠着这些特质，Toni
音乐咖啡厅
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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