偏光显微镜

[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(134) / 评论(0) 分类 赖世雄学英语第四册

今天我们要学的词是 polarized. polarized is spelled p-o-l-a-r-i-z-e-d, polarized. Polarized是指鲜明的,两极分化的,In today's highly polarized political environment, Republican and Democratic partisans have staked their positions

发表于:2018-12-30 / 阅读(199) / 评论(0) 分类 英语单词荟萃

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(400) / 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(173) / 评论(0) 分类 Scientific American(六)月

This is Scientific American 60 Second Science, I am Cynthia Graber, this will just take a minute~ How can we search for life on exoplanets? Step one: examine the Earth as if it were an exoplanet. Thats the idea behind a recent look at earthshine. Res

发表于:2019-01-08 / 阅读(164) / 评论(0) 分类 Scientific American(三)月

This Scientific Americans 60 senconds science. I'm Cythia Graber. This will just take a minute. How did the zebra get stripes. One theory holds that stripes help confused predators. But stripes might be primarilly to protect zebras from ferocious ins

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 Scientific American(二)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(460) / 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(309) / 评论(0) 分类 2016年VOA慢速英语(九)月

By Peter Heinlein United Nations 19 September 2006 Secretary-General Kofi Annan opened the annual U.N. General Assembly debate with a grim assessment of world progress during his 10-year term in office. ---- Kofi Annan opens his last U.N. General As

发表于:2019-01-12 / 阅读(255) / 评论(0) 分类 2006年VOA标准英语(九月)

Key Vote Looms in US Amid Polarized Political Atmosphere Sometings during the next several weeks, the U.S. Congress will take up the issue of raising the nation's debt ceiling so that the United States can continue to borrow money to cover a national

发表于:2019-01-14 / 阅读(200) / 评论(0) 分类 VOA标准英语2011年(四月)

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(158) / 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(111) / 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(165) / 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(316) / 评论(0) 分类 2006年慢速英语(四)月

今天我们要学的词是polarized。 Polarized, 两极分化的。 A polarized society, 两极分化的社会。 The debate over illegal immigration has become polarized lately, 有关非法移民议题而展开的辩论最近日趋两极化。美国

发表于:2019-02-03 / 阅读(152) / 评论(0) 分类 英语每日一词

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(129) / 评论(0) 分类 英语新闻

The Eye of the Dung Beetle A number of animals, including honeybees and butterflies, use sunlights polarization in their navigation s , but the dung beetle is the first animal ever discovered to use moonlights polarization to guide its travels. Polar

发表于:2019-02-16 / 阅读(153) / 评论(0) 分类 英语听力文摘 English Digest

今天我们要学的词是polarized。 Polarized, 两极分化的。 A polarized society, 两极分化的社会。 The debate over illegal immigration has become polarized lately, 有关非法移民议题而展开的辩论最近日趋两极化。美国

发表于:2019-02-18 / 阅读(126) / 评论(0) 分类 英语单词荟萃

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(186) / 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(155) / 评论(0) 分类 英文摇滚歌曲
学英语单词
a pack of cigarettes
abnormal refraction
advanced program
appalachian geosyncline
aprise
Bachok
be tied up with
beading of glass
beyond discussion
bitmap data
brake grease shield
Browne's steriliser control tube
Buxales
Calvitero
chroma selector
coffey-still
converging lens
criminable
cross half lever
curculionids
D-psicose
deck golf
diamond reamer
direct opthalmoscope
disbank
endoperitonitis
erco-ler
exophytic growth
extensive burn
femtogram(fg)
fling in one's lot with
flow recompression
foilborne
Fortogyl
frictional loss of disc
gaolering
government trading department
grampian mts.
graphitoid
gyrocompass bearing
half a dozen
handicrafts
heat insulating mould
heat-reclaiming device
helving
Hippolytus
hybrid cell
iconographer
id
implant antigen
in word and in deed
interbubble channel
irreducible semi-group
Juncus membranaceus
Kobresia filifolia
lasciviosity
laytime statement of facts
lime grout
Lomovataya
machine index card
masanite
Meiiler-Fisher
mercurous chloride electrode
moiety
musical intelligence
new-waked
Nikke Dow average
Nu (Nusselt number)
operatives' bank
operator guidance code
oque
patent assignment contract
phallicists
polyamories
primary standar
progressive increase
public laws
purpura iodica
puussepp's operation
Reinersville
Scott connected transformator
seismotectonic map
separation control circuit
Sepulturas, L.de las
Simbukhovo
sophom
spanish trawl
sphexide
split chisel
stadholder
styliform cartilage
Tawakoni, Lake
telescoping drive
textolite
Tourassine
trackies
transversal rib
TV station
ventilation trunk
water rats
which is
wind carving