偏光透镜

EXPLORATIONS - Isaac Newton: One of History's Greatest Scientists By Marilyn Christiano and Frank Beardsley Broadcast: Wednesday, October 19, 2005 (MUSIC) VOICE ONE: This is Shirley Griffith. VOICE TW

发表于:2018-12-01 / 阅读(194) / 评论(0) 分类 Explorations

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(549) / 评论(0) 分类 2018年VOA慢速英语(二)月

Now the Special English Program American Stories. 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''.

发表于:2018-12-11 / 阅读(107) / 评论(0) 分类 美国故事

(MUSIC) 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. (MUSIC) Storyteller: When I was a child, someone

发表于:2018-12-11 / 阅读(97) / 评论(0) 分类 听美国故事练听力

AMERICAN STORIES - Short Story: The Diamond Lens by Fitz-James O'Brien (Part 2) Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story is called The Diamond Lens. It was written by Fitz-James O'Brien. Today we will hear the second and

发表于:2018-12-16 / 阅读(126) / 评论(0) 分类 2011年VOA慢速英语(六)月

Play VideoHuawei's latest smartphone, boasting a three lens, AI-powered camera has been officially launched in France. The new P20 Pro device follows in the footsteps of competitors Apple and Samsung's latest releases by focusing on the camera's capa

发表于:2018-12-24 / 阅读(141) / 评论(0) 分类 2018CRI中国国际广播电台

The Blurry World Underwater When you open your eyes underwater, things look blurry, but with goggles, everything looks perfectly clear. Why cant we landlubbers focus underwater without goggles? First, we need to explore how our eyes focus when were h

发表于:2018-12-31 / 阅读(139) / 评论(0) 分类 英语听力文摘 English Digest

(MUSIC) 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. (MUSIC) Storyteller: When I was a child, someone g

发表于:2019-01-01 / 阅读(208) / 评论(0) 分类 美国故事

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:2019-01-02 / 阅读(108) / 评论(0) 分类 60秒科学

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(382) / 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(155) / 评论(0) 分类 Scientific American(六)月

This is the VOA Special English Health Report. Governments, businesses and other groups have promised to add three billion dollars to the fight against malaria. The promises came last week at a meeting at the United Nations in New York. The money wi

发表于:2019-01-11 / 阅读(159) / 评论(0) 分类 VOA慢速英语2008(十)月

AMERICAN STORIES - Short Story: The Diamond Lens, Part 1, by Fitz-James O'Brien SHIRLEY GRIFFITH: Now, the Special English program, AMERICAN STORIES. (MUSIC) Our story today is called The Diamond Lens. It was written by Fitz-James O'Brien. We will te

发表于:2019-01-12 / 阅读(149) / 评论(0) 分类 2011年VOA慢速英语(六)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(440) / 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(282) / 评论(0) 分类 2016年VOA慢速英语(九)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(282) / 评论(0) 分类 2006年慢速英语(四)月

That's the difference 这就是区别所在 A teenager lost a contact lens while playing basketball in his driveway. yKV中国英语学习网 After a fruitless search, he told his mother the lens was nowhere to be found. Undaunted, she went outside a

发表于:2019-02-07 / 阅读(171) / 评论(0) 分类 趣味英语

You know I don't need you You know I don't need your hell If you going give me something Well give me something I can't give myself Oh, don't want your money Don't want your rolodex of friends Already have me a daddy Take a new picture for your portr

发表于:2019-02-09 / 阅读(227) / 评论(0) 分类 音乐咖啡厅

Like glasses, contact lenses work by bending light rays just the right amount to make the object come into focus on the retina at the back of the eye. Sometimes the eyes natural lens has an imperfection or may not be shaped properly, which can make y

发表于:2019-02-15 / 阅读(133) / 评论(0) 分类 英语时差8,16

Voice 1 Hello, Im Ruby Jones. Voice 2 And Im Rachel Hobson. Welcome to Spotlight. This programme uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Some people are wal

发表于:2019-02-21 / 阅读(139) / 评论(0) 分类 环球英语 Spotlight
学英语单词
after bleaching
ammonium pyrophosphate
AS18908
astragalofibular
beylic
bioinspiration
bis (cyclopentadienyl) vanadium
blade coating
BOD5
burn to ash
cabin simulator
carcinoma of uterine cervix
Chilino
combination angle gauge
compliance
coria
counter-agitation
culicoides (culicoides) dubius
differentiated acoustic impedance
disk hammer
djinnee
Dmitrova Gora
dormant spermatogonium
dread factor
elengeness
endzone
equivalent nozzle
euw
fashionative
fashionista
fidgetier
gangsa
gauge terminal
genus rachycentrons
glycero-
group leader
Hammarsten's theory
harrier-layer cell
Harris process
hematotropic
holarctic faunistic region
humanly
hyperleucocytosis
integer linear program
intermediate-range bomber aircraft
K-map
keokuks
ketziots
langrel
Leea crispa
Lergophenin
Liddel and Sherrington reflex
locator qualifer
mandocellos
materfamiliases
mild weather
non-marine user
olefinite
passive communication satellite
pasteurella ureae
penal servitude for life imprisonment
pierre salinger syndrome
plainswomen
planned income
plastic read-only disc
potential problem analysis
pre setting
preliminary mentor
pyrocystis gerbaultii
Raasay, Sound of
raw-materials
redewable
relative cohomology group
releasability
rentouls
retarded vector potential
self-advancing support
semiconductor memory application
set apart from
shoesource
shrimpery
Sitnica
sneakiest
spherical optics
St-Fergus
stacker crane
stereomutate
Suaeda arcuata
subdetection
sun-spots
take photos
the jazz age
unconvinced
undecyl mercaptan
universal transverse mercator projection (utm projection)
unmasculated
vena superficialis femoris lateralis
veterinary medicines
waxpods
winfreds
wishes you well
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