阳极交流声

SSS 2009-04-06

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(78) / 评论(0)

Scientific American(四)月

SSS 2011-09-09

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Common batteries are electrochemical cells. And they may get better thanks to living cells: the multicellular organism called brown algae. Lithium ion

发表于:2019-01-08 / 阅读(81) / 评论(0)

Scientific American(九)月

VOA标准英语2010年-Do You Hear a Low, Rumbling Hum?

Some in New Mexico do and are mystified and annoyed Ted Landphair | Washington, DC 17 February 2010 No one has yet figured out why, or whether, pleasant, somewhat remote Taos, New Mexico, is visited by a strange hum, audible to only a few. ...scienti

发表于:2019-01-11 / 阅读(54) / 评论(0)

VOA标准英语2010年(二月)

DEVELOPMENT REPORT - Alliance for the New Humanity

DEVELOPMENT REPORT - Alliance for the New Humanity By Jill Moss Broadcast: Monday, January 12, 2004 This is Bob Doughty with the VOA Special English Development Report. Graphic Image A new group says

发表于:2019-01-30 / 阅读(79) / 评论(0)

农业与发展

VOA标准英语2010-Songbird Genome Could Reveal Clues to Hum

New map of zebra finch DNA could provide keys to stuttering, autism and Parkinson's disease Vronique LaCapra | St. Louis, Missouri 05 April 2010 Photo: L. Brian Stauffer, University of Illinois News Bureau The zebra finch is the first songbird to hav

发表于:2019-01-31 / 阅读(60) / 评论(0)

VOA标准英语2010年(四)月

Humala opens Villa Dakar facility

LIMA, Jan. 2 (Xinhua) -- Peruvian President Ollanta Humala Wednesday inaugurated the Villa Dakar, a facility where vehicles racing in the 2013 Dakar Rally will get a mechanical revision before the race next Jan. 5. A total of 459 vehicles, including

发表于:2019-02-05 / 阅读(62) / 评论(0)

英语新闻

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