单词：Parnassia yanyuanensis
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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
零起点英文启蒙Blackcat黑猫出版社Earlyreads系列29本 （ PDF文本下载 ） 更多儿童英语： 哈哈美语 棒棒学英语
零起点英文启蒙 黑猫出版社Earlyreads系列29本
超节奏英文歌曲：I can--nas i know i can (i know i can) be what i wanna be (be what i wanna be) if i work hard at it (if i work hard it) i'll be where i wanna be (i'll be where i wanna be) be, b-boys and girls, listen up you can be anything in
欧美绝对经典 U2
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
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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
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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