气体推进

CNN 2009-09-26

Hey,there,I'm Virginia Cha at the CNN center in Atlanta,with a look at what's happening NOW IN THE NEWS. Two alleged terror plots targeting 2 US cities,Federal Agents say the suspects in both plots were ready to pull the trigger.The alleged plots we

发表于:2018-12-20 / 阅读(45) / 评论(0)

CNN2009年(九)月

60秒科学:有机食品好处多

In side-by-side plots of strawberries grown organically or conventionally, the organic berries had more vitamin C and the soil was more biologically active. Molly Webster reports 通过对用有机方式培育的草莓和用传统方式培育的草莓进

发表于:2019-01-02 / 阅读(75) / 评论(0)

60秒科学

SSS 2010-09-08

This is Scientific Americans 60-Second Science, Im Molly Webster. Got a minute? Some consumers buy organically grown foods because they believe the products are healthier, tastier and better for the environment. But is this assessment true? To find o

发表于:2019-01-08 / 阅读(51) / 评论(0)

Scientific American(九)月

想要打击城市犯罪?多种树吧

Can a tree help prevent crime? It just might. Two new studies, led by US Forest Service researchers, took a closer look at urban green space in Philadelphia, Baltimore and Youngstown, Ohio. In each of these cities, adding green space to crime-ridden

发表于:2019-02-01 / 阅读(35) / 评论(0)

阅读空间

VOA标准英语2011--US Guards Against Terrorist Attacks Befo

USGuardsAgainstTerroristAttacksBefore9-11Anniversary U.S. security officials are increasing efforts to thwart possible acts of terrorism in advance of the 10th anniversary of the September 11th, 2001, terror attacks. While the U.S. Department of Home

发表于:2019-02-12 / 阅读(84) / 评论(0)

VOA标准英语2011年(九月)

美国学生人类历史第89期:罗马帝国的兴起(2)

In the year 203 B.C. Scipio had crossed the African Sea and had carried the war into Africa. 公元前203年，西皮奥率军渡过阿非利加海，将战火烧到非洲。 Carthage had called Hannibal back. Badly supported by his mercenaries, Hann

发表于:2019-02-21 / 阅读(39) / 评论(0)

美国学生人类历史

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

absolute majority

acanthulus

acoustic signature

Actinidia indochinensis