This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? We produce nine billion food animals in the United States every year. And most of these animals are fed antibiotics throughout their life. And it's the single greatest u

发表于:2018-12-24 / 阅读(32) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This'll just take a minute. It sounds like something out of a bad science fiction novel. During World War II, a fungus called Tricoderma reesei ate its way through US military unifo

发表于:2019-01-08 / 阅读(60) / 评论(0) 分类 Scientific American(五)月

This is Scientific Americans 60-Second Science, Im Steve Mirsky. Got a minute? The 2010 Nobel Prize in Chemistry goes to the University of Delawares Richard Heck, Purdues Ei-ichi Negishi and Hokkaido Universitys Akira Suzuki for their work in develop

发表于:2019-01-08 / 阅读(67) / 评论(0) 分类 Scientific American(十)月

VOICE ONE: This is SCIENCE IN THE NEWS in VOA Special English. I'm Barbara Klein. VOICE TWO: And I'm Doug Johnson. Today we tell about the American plant scientist Norman Borlaug. He won the Nobel Peace Prize for his efforts to increase food product

发表于:2019-01-11 / 阅读(38) / 评论(0) 分类 VOA慢速英语2009年(十一)月

今天我们要学的词是lucrative. Lucrative is spelled l-u-c-r-a-t-i-v-e, lucrative. Lucrative指赚钱的合算的。一些经济学家发现,在美国抢银行的劫匪平均每次可以赚到4000美元,四次左右大概就会落网,因此

发表于:2019-02-05 / 阅读(40) / 评论(0) 分类 英语单词荟萃

Shipping, initially derived from the word relationship, is thedesire by fans for two people, either real-life celebrities or fictionalcharacters, to be in a relationship, romantic or otherwise.Shipping often takes the form of creative works, includin

发表于:2019-02-25 / 阅读(75) / 评论(0) 分类 英文语法词汇