[化] 材料科学

SSS 2011-07-21

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. After water, tea is the world's most popular drink. Now three New York City high school students have discovered what maybe a bruing scandal because th

发表于:2018-12-24 / 阅读(77) / 评论(0)

Scientific American(七)月

SSS 2009-07-22

This is Scientific American 60-Second Science. I'm Cindey Graber. This will just take a minute. When TV sets die, they usually end up incinerated or in landfills. But now researchers from Englands University of York believe theyve found a valuable us

发表于:2018-12-24 / 阅读(64) / 评论(0)

Scientific American(七)月

SCIENCE IN THE NEWS - Genetic Map of Chimps May Show What Ma

SCIENCE IN THE NEWS - Genetic Map of Chimps May Show What Makes Us Human By George Grow, Cynthia Kirk and Jerilyn Watson Broadcast: Tuesday, September 20, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN TH

发表于:2019-01-02 / 阅读(51) / 评论(0)

科技之光

SCIENCE IN THE NEWS - Ever Wonder Where Your Ancient Ancesto

SCIENCE IN THE NEWS - Ever Wonder Where Your Ancient Ancestors Lived? By Nancy Steinbach and Jill Moss Broadcast: Tuesday, May 10, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA SPECIAL E

发表于:2019-01-07 / 阅读(59) / 评论(0)

科技之光

VOA慢速英语2012 SCIENCE IN THE NEWS - Safety Science: The Stories Behind Seat Belts and Bulletproof Clothing

SCIENCE IN THE NEWS - Safety Science: The Stories Behind Seat Belts and Bulletproof Clothing SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im Shirley Griffith. BOB DOUGHTY: And Im Bob Doughty. Today we tell about two recent i

发表于:2019-01-12 / 阅读(48) / 评论(0)

2012年VOA慢速英语(三)月

VOA慢速英语2010年- SCIENCE IN THE NEWS - Science of Safe

SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS in VOA Special English. I'm Shirley Griffith. BOB DOUGHTY: And I'm Bob Doughty. Today we tell about two recent inventions that have helped to save lives. We will also tell about the people who developed t

发表于:2019-01-26 / 阅读(57) / 评论(0)

2010年慢速英语(二)月

最新学习文章

热门学习文章

热门标签

英语听力 VOA标准英语 VOA 英语歌曲口语听力提高听力材料听力教程英语学习 NPR 英语口语 VOA慢速英语美国国家电台儿童英语 VOA英语小学英语 cnn VOA常速英语标准英语英文歌曲听电影学英语英语单词英文电影慢速英语 CRI 美联社新闻美国有线新闻加州分级澳洲新闻流行歌曲常速英语 ABC新闻快递疯狂英语英语读物听力棚车少年经济学人英语词汇商务英语 VOA双语新闻 BBC 中国电台大学英语 Treasures 加州语文 BBC英语英语听力网站 VOA英语教学词汇万花筒 SSS VOA英语听力 AP 新概念分级英语英语广播听力精选英语播客英文绘本 TED演讲赖世雄英语MP3 CCTV9英语新闻 lesson 英语新闻初中英语学英语英语语法历史上的今天英文广播剧英语游戏原版英语小说英语有声读物书虫英语牛津英语读物访谈录新闻一分钟考研英语英语每日在线听新闻 Us 新概念英语地道英语单词第二册自然百科高中英语 sports 实用英语 MP3听力辛沛沛 ESL英语第一册英语每日一句 unit 新东方 GRE 每日一词 BBC听力

学英语单词

advanced deposit requirement on import