单词：chromogensis
单词：chromogensis 相关文章
神经心理学家Kim Gorgens论述了如何更好地保护我们的大脑，免受脑震荡的风险，并且倡导让孩子戴上头盔。
TED公开课:美妙的神经系统
Grammar Girl here. Today's topic is words that can get you into trouble. Guest-writer Bonnie Trenga writes: Once upon a time, some mistaken citizens stood up for American principals, p-r-i-n-c-i-p-a-l-s. Across the Atlantic, a nutty queen sat on her
英语语法 Grammar Girl
主演：彼得洛Ellen WidmannInge LandgutOtto WernickeTheodor LoosGustaf GrndgensFriedrich Gna?Fritz OdemarPaul KempTheo LingenRudolf BlmnerGeorg JohnFranz SteinErnst Stahl-NachbaurGerhard BienertKarl PlatenRosa ValettiHertha von WaltherWalter Burk
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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Landfills produce methanewhich can be valuable as an energy source. But scientists haven't known why landfills make so much methane. The solid waste in
Scientific American(四)月
Every year around Christmas, Stockbridge, a small town in western Massachusetts, puts on a display unlike any other in the US. The celebrated American artist Norman Rockwell, who passed away some 30 years ago, used the New England town as the setting
VOA标准英语2009年(十二月)
Ethiopia will accomplish the construction at any cost whether donors continue funds or not. The giant Gibe III dam, now being built on the Omo River in southwestern Ethiopia is a boon for some, a problem for others. Supporters say it will provide ele
VOA标准英语2010年(九)月