[医] 显微镜照相机

Children don't know which things are dangerou [00:03.21]Keeping a constant eye on them as they move around is very difficul [00:08.39]You can't be everywhere at once,and anyway it's important for them to learn about the world around the [00:15.23]But

发表于:2018-12-04 / 阅读(230) / 评论(0) 分类 考研英语听力基本功4

Reiko: Ikebana, it's an art of flowers and it's quite different from Western style flower arrangement because in Ikebana's theory you can decorate one flower, only with one flower. Anili: Oh, really! Reiko: And it's, the flower arrangement in Japan i

发表于:2018-12-07 / 阅读(169) / 评论(0) 分类 英语访谈对话

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(589) / 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(156) / 评论(0) 分类 赖世雄学英语第四册

Making a flight arrangement A: Good morning. Is this American Airlines? B: Yes, sir. My name is Ellen. How may I help you? A: I need to get a flight to Chicago on the 7th in the morning. Can you give me a hand? B: Certainly, sir. Theres a flight at 8

发表于:2018-12-25 / 阅读(244) / 评论(0) 分类 办公室英语口语

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(419) / 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(195) / 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(144) / 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(476) / 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(200) / 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(329) / 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(181) / 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(127) / 评论(0) 分类 暮光之城•暮色

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(182) / 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(332) / 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(147) / 评论(0) 分类 英语新闻

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(121) / 评论(0) 分类 万物简史

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(173) / 评论(0) 分类 双语有声阅读

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(207) / 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(171) / 评论(0) 分类 英文摇滚歌曲
学英语单词
agenting
amplitude shift keying
attire in
Balkbrug
banking panic
benzoyloxypaeoniflorin
bermuda rigs
boss general catalog
bracketed form
broach sharpener
calfs
chegar perah (chigar perah)
chloro-acetyl bromide
coal washability
coldbooting
Coletown
colporters
committoes
conditions of carriage
coral-woods
corona discharge laser
counterparty broker
deratting certificate
dibenzothiazyl disulfide
digital modulation
displacement form
double arthrodia
electrical reset
encourageable
fast food industry
fetal pelvis
Galilean refracting telescopes
genus canellas
give off something
glomping
governance
Greka
gypsum stains
hand held console
Heidegger
hex cap nuts
high - end customers
Indacin
inverted pricing
ion permselective membrane
kolmogorov hypothesis
leukuresis
Massaua
maximum shock response spectrum
mezzetti
midcycle space
mindscape
molecular rotation spectrum
Monoclate-P
monommids
multiplegrid
non-chromogenic
nursey
obturator tests
on off controller
ostium venosum cordis
pampanito
phosphorus absorption
pimp-slapped
plaster-cast
potassium biacetate
prescription-drug
pseudohomophone
rapporte
reformed gasoline
rigid vehicle
rudder heel bearing
samoans
sanguigenous
schenke
schizocorals
scholied
scutellar angle
secular stagnation
self-adjusting argon-arc welding
serial store
Siboglinum
speed-skating
Staporos
stay well
strontium olivine
Sula Sgeir
sun-protective
switch region
symptomatic dwarf
top spindle
trimonthly
tweendeck space
uninterest
Uyea Sound
Verrucingulatisporites
wave-absorbing beach
wear a brick in one's head
wedown
wide resonance
wolf eel