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肥皂草素, 石碱草素

节目介绍 经典语境背诵 May: When blackout happened in our community my little brother Daniel couldnt watch his favorite cartoon Ultraman, and my Dad couldnt watch American Idol either. So they would say blackout is a diseaster. But for me it

发表于:2018-12-05 / 阅读(138) / 评论(0) 分类 英语大赢家上册

Leading computer database software maker Oracle is suing SAP, the German company known for their Enterprise Resource Planning (ERP) software. Oracle, which has been moving into the ERP market themselves, accuses employees at SAP's TomorrowNow subsid

发表于:2018-12-15 / 阅读(123) / 评论(0) 分类 初级商务英语听力2007

By Alan Silverman Hollywood 29 October 2009 The life and tragic disappearance of pioneer aviator Amelia Earhart are dramatized in a new film starring two-time Oscar-winner Hilary Swank and directed by Indian-born Mira Nair. Here's a look at Amelia.

发表于:2018-12-16 / 阅读(149) / 评论(0) 分类 VOA标准英语2009年(十月)

Listening While Driving Is, What'd Ya Say? A study in the journal Psychonomic Bulletin and Review finds that not only does talking interfere with driving skills, the act of driving makes listening a much harder task. Karen Hopkin reports We all know

发表于:2019-01-02 / 阅读(203) / 评论(0) 分类 60秒科学

F Fangchinoline 防已诺林碱 Farrerol 杜鹃素 Fenugreek P.E 葫芦巴子提取物 Ferulic acid 阿魏酸 Feverfew P.E 小白菊提取物 Fibriuretinin 黄藤素 Flavanols 黄烷醇 Flavonoids 蒲公

发表于:2019-01-03 / 阅读(139) / 评论(0) 分类 医务英语

Illegal Fishing Threatens Tonie Sap Lake Villagers' Livelihood Despite a government ban on commercial fishing across Tonle Sap Lake - the largest lake in Southeast Asia -- fishing communities say bribery of corrupt local officials has meant the illeg

发表于:2019-01-14 / 阅读(129) / 评论(0) 分类 VOA标准英语2012年(十月)

GUY RAZ, HOST: It's the TED Radio Hour from NPR. I'm Guy Raz. So most of us think we know ourselves pretty well, right? ROBERT SAPOLSKY: I'm sort of a hippie pacifist in terms of general persona. RAZ: That we're good people... SAPOLSKY: You know, I'm

发表于:2019-01-16 / 阅读(204) / 评论(0) 分类 2017年NPR美国国家公共电台8月