[医] 偏振显微镜, 旋光显微镜

'The Diamond Lens' by Fitz-James O'Brien, Part One

Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part one of The Diamond Lens. When I was ten years old, one of my older cousins gave me a microscop

发表于:2018-12-08 / 阅读(554) / 评论(0)

2018年VOA慢速英语(二)月

赖世雄学英语第四册 lesson 4

[00:00.00]Lesson 4 Atom [00:01.95]原子 [00:03.89]The really strange thing about atoms is that most of us will never see one. [00:08.87]原子最奇特之处在于绝大多数人永远也无法看到它。 [00:13.84]Atoms are so small that it's impo

发表于:2018-12-08 / 阅读(118) / 评论(0)

赖世雄学英语第四册

'The Diamond Lens' by Fitz-James O'Brien, Part Two

Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Joyce with part two of The Diamond Lens. When I was a child, someone gave me a microscope. I spent

发表于:2019-01-03 / 阅读(385) / 评论(0)

2018年VOA慢速英语(三)月

专业术语—中草药成分英汉对照词汇S1

S Saffloryellow-A 红花黄色素A Saikosaponin A, D 柴胡皂甙A，D Salicin 水杨甙 Salidroside 毛柳甙 Salisorosides Rosavin 红景天甙 Salix Babylonica L.P.E 白柳皮提取物 Salvia root

发表于:2019-01-03 / 阅读(127) / 评论(0)

医务英语

SSS 2010-06-02

After hundreds of years, the most common, basic microscopes still operate by means of the same old hardware: the lens. But what if you could do away with that lens and create a microscope that fits on a cell phone? Thats what researchers led by Aydog

发表于:2019-01-08 / 阅读(160) / 评论(0)

Scientific American(六)月

VOA慢速英语 2007 0305a

This is the VOA Special English Development Report. Nanotechnology uses matter at the level of molecules and atoms. Researchers are finding different uses for particles with a length of one nanometer, or one-billionth of a meter. These include things

发表于:2019-01-11 / 阅读(114) / 评论(0)

VOA慢速英语2007年（三）月

钻石镜头 by 菲茨詹姆斯奥布莱恩 Ⅱ

The Diamond Lens by Fitz-James O'Brien, Part Two 钻石镜头 by 菲茨詹姆斯奥布莱恩 Ⅱ Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice Jo

发表于:2019-01-12 / 阅读(441) / 评论(0)

2015年VOA慢速英语(七)月

钻石镜头 by 菲茨詹姆斯奥布莱恩

The Diamond Lens by Fitz-James O'Brien, Part One 钻石镜头 by 菲茨詹姆斯奥布莱恩 Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will tell the story in two parts. Now, here is Maurice Joyce with part o

发表于:2019-01-12 / 阅读(167) / 评论(0)

2015年VOA慢速英语(七)月

钻石透镜 II by 菲茨·詹姆斯·奥布赖恩

'The Diamond Lens' by Fitz-James O'Brien, Part Two 钻石透镜 II by 菲茨詹姆斯奥布赖恩 Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and final part of the story. Here is Maurice J

发表于:2019-01-12 / 阅读(287) / 评论(0)

2016年VOA慢速英语(九)月

VOA标准英语2013--iPhone Becomes Low Cost Microscope

iPhone Becomes Low Cost Microscope The Apple iPhone can be used for lot of things making calls, playing games and sending pictures, video and text. Scientists say it also can be converted into a low-cost microscope to detect worm-related infections i

发表于:2019-01-14 / 阅读(144) / 评论(0)

VOA标准英语2013年(三月)

英语听力暮光之城•暮色第27期:打开的书(8)

Ladies first, partner? Edward asked. 搭档，女士优先？爱德华问。 I looked up to see him smiling a crooked smile so beautiful that I could only stare at him like an idiot. 我抬头看见他一脸坏笑，可笑得是那样的好看，害得

发表于:2019-01-22 / 阅读(94) / 评论(0)

暮光之城•暮色

VOA慢速英语20060401b

AMERICAN STORIES - The Diamond Lens, Part OneBy O'Brien, Fitz-James Broadcast: Saturday, April 01, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called

发表于:2019-01-30 / 阅读(154) / 评论(0)

2006年慢速英语（四）月

VOA慢速英语20060408b

AMERICAN STORIES - The Diamond Lens, Part TwoBy Fitz-James O'Brien Broadcast: Saturday, April 08, 2006 Announcer: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Di

发表于:2019-01-30 / 阅读(287) / 评论(0)

2006年慢速英语（四）月

CCTV9英语新闻：土耳其议会选举初步结果出炉

In the streets of Turkey's biggest city - Istanbul, there's a lot of talk about the election outcome, among them - some voices of concern. A local political analyst has told cctv reporter what he's worried about. From a pessimistic perspective, you c

发表于:2019-02-03 / 阅读(141) / 评论(0)

cctv9英语新闻2015年

IBM制作出世界上最小的电影

WASHINGTON, May 1 (Xinhua) -- Scientists from IBM on Wednesday unveiled the world's smallest movie, made with one of the tiniest elements in the universe: atoms. Named A Boy and His Atom, the movie used thousands of precisely placed atoms to create n

发表于:2019-02-04 / 阅读(121) / 评论(0)

英语新闻

求职面试的八大禁忌

Big Blunders Job Hunters Make Daphne Batts sometimes wonders if practical jokers with hidden cameras are spying on her as she interviews people for jobs at Bankrate Inc., an online publisher of financial information in North Palm Beach, Fla. 达芙妮

发表于:2019-02-06 / 阅读(173) / 评论(0)

阅读空间

万物简史第453期:小生物的世界(24)

Viruses prosper by hijacking the genetic material of a living cell and using it to produce more virus. 病毒掠夺活细胞的基因材料，用来制造更多的病毒，从而大量生长。 They reproduce in a fanatical manner, then burst out in

发表于:2019-02-17 / 阅读(95) / 评论(0)

万物简史

双语有声阅读：细菌

Bacteria Bacteria are extremely small living things. While we measure our own sizes in inches or centimeters, bacterial size is measured in microns. One micron is a thousandth of a millimeter: a pinhead is about a millimeter across. Rod-shaped bacter

发表于:2019-02-17 / 阅读(144) / 评论(0)

双语有声阅读

双语有声阅读：显微技术

The Microscopic Technique Each advance in microscopic technique has provided scientists with new perspectives on the function of living organisms and the nature of matter itself. The invention of the visible light microscope late in the sixteenth cen

发表于:2019-02-25 / 阅读(161) / 评论(0)

双语有声阅读

英文摇滚歌曲：Miss May I - Creations

How could you say you know who I am? Do you ever wonder why I'm here? The thoughts play back in your head like a film that has been stick on repeat. Imagine that this picture of me is painted for you. A portrait is made to hold a moment and moments w

发表于:2019-02-26 / 阅读(138) / 评论(0)

英文摇滚歌曲

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