[网络] 透镜的焦点

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(524) / 评论(0) 分类 2018年VOA慢速英语(二)月

Nearly 50% of Americans wear corrective glasses, according to the trade group Vision Council. And most of them are guilty of the biggest crime in lens care: Exhaling onto their lenses, then wiping the fog off with their shirt sleeves. But does this r

发表于:2018-12-12 / 阅读(96) / 评论(0) 分类 英语阅读理解

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(99) / 评论(0) 分类 2011年VOA慢速英语(六)月

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(113) / 评论(0) 分类 英语听力文摘 English Digest

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(343) / 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(130) / 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(126) / 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(121) / 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(260) / 评论(0) 分类 2016年VOA慢速英语(九)月

幽灵照片问世 Photographer John Milleker is setting up for a spirit photo shoot in Sky Meadows State Park in Delaplane, Virginia. But first, he tells visitors about William Mumler, who came up with the idea of spirit photography. 在弗吉尼亚州

发表于:2019-01-14 / 阅读(351) / 评论(0) 分类 VOA标准英语2016年(一月)

Apple Inc. unveiled its new water- and dust-resistant iPhone 7 and a new version of its Apple Watch with high-resolution cameras at its fall product event on Wednesday, and said a Super Mario game was coming to the new phone and Pokemon Go would feat

发表于:2019-01-17 / 阅读(135) / 评论(0) 分类 实用英语

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(129) / 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(251) / 评论(0) 分类 2006年慢速英语(四)月

photo, photograph 照片,像片 snapshot, snap 快照 photographer, cameraman 摄影师 backlighting 逆光 backlighting photography 逆光照 luminosity 亮度 to load 装胶卷 focus 焦点 to focu

发表于:2019-02-02 / 阅读(111) / 评论(0) 分类 英文语法词汇

今天我们要学的词是focus。 Focus, 是焦点、重点的意思。She always wants to be the focus of attention, 她总是希望自己能成为大家注意的焦点。德国大陆集团总裁说,The company will keep their focus on growth, n

发表于:2019-02-05 / 阅读(84) / 评论(0) 分类 英语每日一词

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(145) / 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(178) / 评论(0) 分类 音乐咖啡厅

Nose bridge 鼻中 Tip 脚套 Temple 脚丝 Plating 电镀 Printing 印字 Lase 镭射 Spectacle frames 眼镜架 Sunglasses 太阳眼镜 Sports spectacles 运动眼镜 kid's eyewear 儿童眼镜 Reading glasses 老花镜 Contact lens 隐形眼镜 Gl

发表于:2019-02-13 / 阅读(97) / 评论(0) 分类 实用英语

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(108) / 评论(0) 分类 英语时差8,16

Making Contact 为什么戴隐形眼镜看东西更清楚? Don:I get contact lenses to replace my glasses and its like Im seeing the world through new eyes. Its miraculous ! Yal: Acutlly, Don, there is nothing miraculous about it. D: Who tell? Y: W

发表于:2019-02-24 / 阅读(126) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
'Amara East
a capacity house
absence of pectoralis major
abudrahm
advance print
Agueraktem
Alvira
ammonium purpurate
anomalistic months
anticipated fixed cost
aquaintance
aqueous adhesive
automatic body maker
bank information
beat down method
brazennesses
butt-hole
cable-tramway of single rope
cake walks
carminic acid
clincher boarding
coal as fired
Coley's fluid
coramine
database access program interface
deceleration of electrons
Deliftin
dtss
dynamic evaluation
Eubetin
fairly
genus Hevea
get back up
Gorkhanat
ground thread chaser
have the end upon
high-speed test
high-temperature polymer
highway carrier
initialize routine
Jeanne d'Arc, Presqu'île
jparacorolla
lamellar crystal
Laverin
le moliere imaginaire
letter shift
liposuctioning
lottery paper
malthuslan principle
mandogenal suture
methylmercuries
mtrans
Mulemba
multiphonon absorption
nasal wing retractor
nerat
neuromarketer
new waves
non reproducible goods
non-humanistic
oligotrophic water
oncosts
PCI DSS
penetrate through
philological
Pompeu
Porsena
redmann
reduced ratio
retailing function
salipurpol
sawtooth sweep
schiefer abrasion testing
spate-bone
spilitization
spread it on thick
sprint medley
stage frame
steady brace
stomatopathy
swamp cancer
synucleins
tallying by crew
testation
text message injury
TFM
thermopren
thornthwaites classification
time-continuing process
tin-protoporphyrin
uk reg
uncultivability
underjaws
underwater tv monitoring system
uniformly connected multigraph
university library
up to the eyebrows
viscous interference
water acrobatics
water supply facility
wiper roll
X-ray flaw detector