角膜内皮显微镜

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(578) / 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(143) / 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(408) / 评论(0) 分类 2018年VOA慢速英语(三)月

By Jim Malone Washington 27 February 2007 One of the big winners at this year's Academy Awards in Hollywood was former Vice President Al Gore. Gore was featured in a film about global warming called An Inconvenient Truth, which won the Oscar for bes

发表于:2019-01-07 / 阅读(189) / 评论(0) 分类 2007年VOA标准英语(二月)

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

Eels,来自美国的独立乐队。乐队名字有些奇怪,因为主场的名字,Everett,被称作Mr. E,所以乐队名尤其彰显了E这个字母的存在感么~Like looking at the deep night sky / So many worlds inside her eyes,形容女

发表于:2019-01-10 / 阅读(196) / 评论(0) 分类 天籁音乐

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(135) / 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(466) / 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(190) / 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(315) / 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(170) / 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(114) / 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(176) / 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(325) / 评论(0) 分类 2006年慢速英语(四)月

HEALTH REPORT - Progression of Age-Related Macular Degeneration By Nancy Steinbach Broadcast: Wednesday, January 28, 2004 This is Phoebe Zimmermann with the VOA Special English Health Report. American

发表于:2019-01-30 / 阅读(212) / 评论(0) 分类 健康与经济

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(139) / 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(114) / 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(166) / 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(198) / 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(163) / 评论(0) 分类 英文摇滚歌曲
学英语单词
-conia
absolute digital position transducer
achieving
actinic chemistry
address of plant
adrenalin rush
albukalin
armament
auxiliary heading
available static head
barbellatus
bizia
blepharocerid
blocking element
bloodstick
Buldhāna
buzzword-compliant
chastity ring
coffee-house
colgrout
comities of nations
common-midpoint stack
conjuration
credit clearing division
daughtrey
dead-fire
debating point
degradator
development system activity
di(2-ethylhexyl) phthalate
dorleac
double-spot tuning
Elf Aquitaine
endospheric
extensive reading
farm garden supply stores
flagellins
flat tread
form an alliance with
Fortrose
full load draught
get one's tail up
girlcations
go to the better world
Idong
ignore all rules
ignore instruction
independent experiment
instruction pipeline
is of little value
jaha
kalader
laboulbenia aristata
Late Egyptian
lead picrate
Lonicera tangutica
LTPS
make himself known to
massoud
mastic trees
mica panis
micro-chronometer
monkeys' weddings
Monotomidae
n. coccygicus
narcissistic
Nassau Shores
New Kent County
nifluridide
old paper
post-urethral valve
preemptive war
presutural bristle
pyrotechnic inflator
quality management of passenger transport
quandaries
reserved foreign currencies
reverbarator
round - trip ticket
round drill rod
RTE (real-time executive)
rusty-colored
scientific research personnel
secylene diacid
shabani
snuggle down
standard storage tank
stretch-marks
syntonization
tape tension control
top environment
tossing-and-turning
turn-sew-turn device
ulke
urien
Ursa Minor system
wait one's turn
wedge resection
wheatly
Y-maneuver
Zanthoxylum austrosinense
zewaphosphate