rDNA 扩增

美丽新世界Brave New World 第18章(13)

Splendid! He kept his telescopic cameras carefully aimedglued to their moving objective; 精彩片他小心地调着望远摄影机的镜头，盯紧了那移动着的对象。 clapped on a higher power to get a close-up of the frantic and distorted

发表于:2018-12-07 / 阅读(184) / 评论(0)

美丽新世界

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(198) / 评论(0)

2013年VOA慢速英语(二)月

中英双语新闻朝鲜警告将先发制人

BBC News with Julia Candler. A senior member of North Koreas government has warned that his country would react with a pre-emptive nuclear strike if it saw signs that the US was preparing to launch an attack. Speaking to the BBC, the Vice Foreign Min

发表于:2018-12-20 / 阅读(200) / 评论(0)

中英双语新闻

美国科学60秒 SSS 2015-01-22

This is Scientific American's 60s Science. I'm Karen Hopkin. This will just take a minute. Think about the tools used by biologists, perhaps test tubes and microscopes come to mind. But what about diapers? No, it's not the investigators in their work

发表于:2018-12-24 / 阅读(264) / 评论(0)

2015年Scientific American(一)月

地道英语在线听-Naff 差劲的

Jo: This is Real English from BBC Learning English. Im Jo. Jean: And Im Jean. Jo: Today were going to look at words and phrases that you might not find in your English textbook. Jean: 学习英式英语非常重要的一部分就是要学习他们日常使用的英语口语，而

发表于:2019-01-02 / 阅读(227) / 评论(0)

地道英语在线听

TED演讲:在体内寻找癌细胞的小颗粒(3)

In my lab, we recently made a cancer nanodetector 在我的实验室，我们最近研制出了一种癌症纳米检测器， that is so small that it could travel into the body and look for tumors. 小到可以进入全身血液循环并寻找肿瘤。

发表于:2019-01-03 / 阅读(215) / 评论(0)

TED演讲科学篇

SSS 2011-10-07

PCRthe polymerase chain reactionis a crucial tool. The DNA amplification technique is used in genome sequencing, forensics and the diagnosis of various diseases. To give researchers more genetic material to work with, a PCR instrument repeatedly heat

发表于:2019-01-08 / 阅读(209) / 评论(0)

Scientific American(十)月

SSS 2012-03-15

This is Scientific American 60 Second Science, I am Karen Hopkin, this will just take a minute. Every year, about 10 million tons of paper winds up in American landfills and incinerators, which is not only wasteful but adds CO2 to the atmosphere. Rec

发表于:2019-01-08 / 阅读(213) / 评论(0)

Scientific American(三)月

英语歌曲:N-Dubz-Na Na

N-Dubz是一支来自伦敦的嘻哈一族。他们首张专辑08年发行一举爬到UK Albums Chart第十一名位置，并且有已拥有3首进入UK Singles ChartTop 40单曲，实力不容小视。09年11月16日组合整装待发推出出道以来

发表于:2019-01-10 / 阅读(303) / 评论(0)

天籁音乐

VOA标准英语2013--The History of the Laser

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(258) / 评论(0)

2013年VOA慢速英语(五)月

VOA慢速英语2012--The Laser: Futuristic Science Found at Your Local Store

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(230) / 评论(0)

2012年VOA慢速英语(一)月

VOA标准英语2012--'Word on Street' Impacted Language in 2011

'Word on Street' Impacted Language in 2011 While 2011 is over, some of the words that came to define the past year are still very much with us, and may be for years to come. Since 2011 was an especially busy year for grassroots political action, many

发表于:2019-01-13 / 阅读(180) / 评论(0)

VOA标准英语2012年(一月)

TED演讲:关于听的艺术(6)

Because of course, the ear is, I mean, subject to all sorts of things. 这当然是因为，我是说，耳朵受制于很多因素。 The room we happen to be in, the amplification, the quality of the instrument,the type of sticks...etc., etc. 我们现

发表于:2019-01-18 / 阅读(180) / 评论(0)

TED演讲国际问题篇

英语摇滚:黑人歌手阿肯经典摇滚:Right now na na n

黑人歌手阿肯经典摇滚:Right now na na na It's been so long that I haven't seen your face I'm Tryna be strong But the strength I have is washing away it wont be long before i get you by my side And just hold you, tease you, squeeze you Tell y

发表于:2019-01-20 / 阅读(223) / 评论(0)

英文摇滚歌曲

【英语语言学习】镭射器的历史

Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the science of the future to eve

发表于:2019-01-24 / 阅读(309) / 评论(0)

英语语言学习

VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(238) / 评论(0)

VOA常速英语2007年（十一月）

音乐咖啡厅:Schnappi 德国超级可爱童声

小女孩单曲《Schnappi》击败众多巨星登上德国流行榜榜首这个可爱的女童叫约伊．格鲁特曼，哼唱的曲子名叫《Schnappi》内容是关于一条小鳄鱼，尝试张开口咬它爸爸坚韧的腿部，以及诉说它妈妈如何以它为傲。 05年这个小女孩唱的儿歌风靡德国，击败众多红星而登上德国

发表于:2019-02-07 / 阅读(298) / 评论(0)

音乐咖啡厅

科学美国人60秒 SSS 诺贝尔物理学奖颁给激光控制实验者

Nobel in Physics for Controlling Laser Light 诺贝尔物理学奖颁给激光控制实验者 The main practical application of CPA so far has been in the eye surgery. It was the first one, and I think it is the one that is used by the most people fo

发表于:2019-02-14 / 阅读(277) / 评论(0)

2018年科学美国人10月

英语歌曲:布鲁斯 N-Dubz - Na Na

饶舌:N-Dubz - Na Na 相关介绍：N-Dubz是一支来自伦敦的嘻哈一族。他们首张专辑08年发行一举爬到UK Albums Chart第十一名位置，并且有已拥有3首进入UK Singles ChartTop 40单曲，实力不容小视。09年11月

发表于:2019-02-20 / 阅读(262) / 评论(0)

节奏布鲁斯

双语有声阅读：美国高等教育的革命

The Revolution in American Higher Education To produce the upheaval in the United States that changed and modernized the domain of higher education from the mid 1860's to the mid 1880's, three primary causes interacted. The emergence of a half dozen

发表于:2019-02-25 / 阅读(239) / 评论(0)

双语有声阅读

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学英语单词

'rent

aligned systematic sample

antherophore

around someone's neck

asynchronous transmission in data communications

Austrapen

be under a bias towards