示教显微镜

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) 分类 2018年VOA慢速英语(二)月

[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) 分类 赖世雄学英语第四册

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) 分类 2018年VOA慢速英语(三)月

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) 分类 Scientific American(六)月

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) 分类 VOA慢速英语2007年(三)月

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) 分类 2015年VOA慢速英语(七)月

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) 分类 2015年VOA慢速英语(七)月

'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) 分类 2016年VOA慢速英语(九)月

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) 分类 VOA标准英语2013年(三月)

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) 分类 暮光之城•暮色

Hi, Susie. Nice ukulele. 嗨,苏西。这把尤克里里真不错。 Thanks, Ben. I'm teaching myself a new song. Do you play an instrument? 谢谢,本。我在自学一首新歌。你会弹奏一种乐器吗? Yes. I play the guitar. I sing and

发表于:2019-01-23 / 阅读(56) / 评论(0) 分类 大家说英语

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) 分类 2006年慢速英语(四)月

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) 分类 2006年慢速英语(四)月

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(64) / 评论(0) 分类 英语新闻

This year's Summer Davos wraps up in the city of Dalian Friday afternoon. Our reporter Luo Yu caught up with Sebastian Buckup, Head of Programming with the World Economic Forum, at the closing ceremony. He talks about what he thinks of this year's co

发表于:2019-02-13 / 阅读(129) / 评论(0) 分类 2015CRI中国国际广播电台

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) 分类 双语有声阅读

Topic 1 Should employee benefits be cut to fight corruptionAn editorial on the government-run newspaper People's Daily has blamed civil servants' benefit cutbacks on some officials' overreaction to the crackdown on corruption. The editorial says that

发表于:2019-02-22 / 阅读(97) / 评论(0) 分类 英语角-圆桌会议

Todd: Now, Shawn, you were just saying that at your university you're the only male student. Shawn: Yeah, in my program, I'm the only guy in my class, and when I signed up for the program I had known this going in to it, so on the first day I was a b

发表于:2019-02-24 / 阅读(55) / 评论(0) 分类 英语趣味课堂

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) 分类 双语有声阅读

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(80) / 评论(0) 分类 英文摇滚歌曲
学英语单词
5L
activation pointer
activityconstant
adulterine guild
affreighted
air quality and emission standard
amine-galactose
arsacetin
birthrate fluctuation
bottom fired heater
broken udder attachment
bunyoro
cable driven
calculated on the basis of original price
cecere
Chasseral, Mt.
Chatkyi
code breakpoint
color-conscious
combination seal
composition factor series
conversion unit
country-style
dalkon
diagnosis refrigeration
dipivaloylmethane
disimilate
Dobu
dream-machine
electric heater unit
endurance limit diagram
entrenching tools
experimental therapy
exposure ratemeter
genus Scincella
give ... a show
Guruzāla
hardliners
have a cut at something
heat-capacity curve
honeycomb checks
in a world by oneself
infan
internal losses
iqab
iryne
jeets
jim Jam
jumby bean
language less programming
light power
Lintah, Selat
liquid air subcooler
lithagogue infusion of amber
machine chart
minimalised
model of straton
mud screen
mushroom tip
naper
natural number axioms
no acceptance
Noogoora burr
normally deenergized stick relay
omarus
operation for cranial nerve
paddy washing machine
parchment-like transformation
pattern positioner
pikeys
please confirm
poppets
positive electropism
PREFIXES AND SUFFIXES.
premonochromator
primitive glycoside
prolonged breath sound
protomicrocotylids
pyroxamine
read-in a descriptor
relative load capacity
retort
rock - fill dam
self-mortality
Semeiciclina
shore pines
single peak response
skew quardilateral
solenostemons
standard white pulse
stonk
supply phototransistor
syndrome of cold accumulated in liver channel
track lining tool
tungsten oxytetrafluoride
under orders
undermining method
unshadowed
uve(o)-
variation of scan amplitude
vena peroneuss
what's your name