双片对比显微镜

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(559) / 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(123) / 评论(0) 分类 赖世雄学英语第四册

Marathon running(马拉松赛跑) NB: This is not an accurate word-for-word transcript Dan: Hello and welcome to 6 Minute English from BBC Learning English. Im Dan Walker Smith and in todays programme Im joined by Nuala OSullivan. Nuala: Hi Dan. Dan:

发表于:2018-12-11 / 阅读(155) / 评论(0) 分类 六分钟英语

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(392) / 评论(0) 分类 2018年VOA慢速英语(三)月

Bergara extends Real Sociedad deal MADRID, Oct. 11 (Xinhua) -- Real Sociedad confirmed an agreement to keep midfielder Markel Bergara at the club for the further three seasons on Thursday. The 26-year-old product of the club's youth system has made 8

发表于:2019-01-07 / 阅读(194) / 评论(0) 分类 英语新闻

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(169) / 评论(0) 分类 Scientific American(六)月

MACAO, Dec. 2 (Xinhua) -- Ethiopia's Heile Haja Gemeda and Ehitu Kiros Reda became the winners of Macao Galaxy Entertainment International Marathon here on Sunday. Gemeda sailed past the finish line in two hours 23 minutes and 56 seconds in chilly dr

发表于:2019-01-08 / 阅读(180) / 评论(0) 分类 英语新闻

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(120) / 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(450) / 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(175) / 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(295) / 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(154) / 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(103) / 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(158) / 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(299) / 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(125) / 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(100) / 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(150) / 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(170) / 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(145) / 评论(0) 分类 英文摇滚歌曲
学英语单词
3-Aminocoumarin
adiabatic cooling curve
affidavit of increase
amorphous alumina
ampullary
bataunt
behavioral dimension
benturong
betanodavirus viral nervous necrosis
birth cushion
blading deposits
BLMS
breakdown potential gradient
cam type press
cladophora rugulosa mart.
computer-aided logistic system (cals)
concave filler plate
confineds
contact jaw
Cordemais
cultural divergence
DIP (dual-in-line package)
domicile by operation of law
drum number
Dry L.
ectolysis
edenhalls
effect of anti-friction
effect of the escapement
emblossoms
end plank washer plate
exchange conversion table
ferret receiver
fiber strength
flame failure device
foreign-funded firm
full-height tooth
gamma ray thickness recorder
grain geometry
helladosphaera cornifera
hematogenic dyspnea
Hey's ligament
ieuans
Indawgyi, L.
individual health plan
interface devices
IPIX
Jewish-state
kabb
Kättilstorp
lens performance
LKP
loan authority
loop flushing
Marfan syndrome
meet a sticky end
menstrual exanthema
mingler
minute fragment (muller 1940)
mode voltage
moist heat
nakagawa
net electron output
off spin
otus lettia
output power at wheel rim
paleomammalogies
pedal boat
pentagalloylglucose
polar staining
postdefection
predivorce
progredient
projective measurement
quartz andesite
rasslin
reciprocation scavenge pump
reconciliation of cash on deposit
rectovaginal fistula
reeve test
rum-dum
Sai Ong Hue
second-level
Sphenoidalis
St Matthews
stationary elevating work platform
steady ear
steam vaporizer
stoff
Sèno, Prov.de
tantalous chloride
test mallein
thangka
to ... credit
toot-toot
total output value
turn part
unullaged
visual-aural range
Washio
wax-nose
worldwide basis