手术显微镜

'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(499) / 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(66) / 评论(0)

赖世雄学英语第四册

新概念英语第二册Lesson 77 A successful operation

Lesson 77 A successful operation 一例成功的手术 First listen and then answer the question. 听录音，然后回答以下问题。 Did the doctors find out how the woman died? The mummy of an E

发表于:2018-12-08 / 阅读(280) / 评论(0)

新概念英语第二册

'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(325) / 评论(0)

2018年VOA慢速英语(三)月

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(103) / 评论(0)

Scientific American(六)月

与美国小学生一起学英文第9册第25期:直径

Diameter 直径 A diameter is a straight line inside a circle. 直径是圆内的直线。 Can any straight line in a circle be a diameter? 圆内的任何直线都是直径吗？ No, its two ends must meet at two different points on the circle. 不是

发表于:2019-01-10 / 阅读(58) / 评论(0)

与美国小学生一起学英文第9册

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(63) / 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(390) / 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(118) / 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(227) / 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(88) / 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(51) / 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(109) / 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(223) / 评论(0)

2006年慢速英语（四）月

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(65) / 评论(0)

英语新闻

Central bank starts 4.8 bln USD repurchase operation

BEIJING, Feb. 19 (Xinhua) -- The People's Bank of China (PBOC) on Tuesday started a 28-day repurchase operation worth 30 billion yuan (4.8 billion U.S. dollars) for the first time since June, according to a statement on its website. A repurchase oper

发表于:2019-02-08 / 阅读(87) / 评论(0)

英语新闻

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(48) / 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(90) / 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(86) / 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(81) / 评论(0)

英文摇滚歌曲

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学英语单词

achromatic quarter wave prism

aflatoxins G

align with

almis

associative adsorption