透镜聚焦范围

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(554) / 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(144) / 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(130) / 评论(0) 分类 2011年VOA慢速英语(六)月

美国继续推进亚太再平衡战略 One of the main features of the global defense strategy laid out by President Barack Obama two years ago, shifting the U.S. military's focus from the Middle East to the Asia Pacific region, is meeting significa

发表于:2018-12-19 / 阅读(112) / 评论(0) 分类 VOA双语新闻 2014年1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(146) / 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(385) / 评论(0) 分类 2018年VOA慢速英语(三)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(152) / 评论(0) 分类 2011年VOA慢速英语(六)月

By Tom Rivers London 24 July 2006 British Prime Minister Tony Blair and his Iraqi counterpart Nouri al-Maliki have met Monday, in London. Planned discussions on political and security developments in Iraq were instead dominated by the crisis in Leba

发表于:2019-01-12 / 阅读(170) / 评论(0) 分类 2006年VOA标准英语(七月)

By Brian Wagner Medellin, Colombia 02 June 2008 Delegates with the Organization of American States are meeting in Colombia to find ways to help millions of young people in the region. VOA's Brian Wagner reports from Medellin that regional leaders al

发表于:2019-01-13 / 阅读(135) / 评论(0) 分类 VOA标准英语2008年(六月)

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(155) / 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(288) / 评论(0) 分类 2006年慢速英语(四)月

Overview Of U.S. Policy In Asia 美国在亚洲的政策概述 U.S. Assistant Secretary of State for East Asian and Pacific Affairs Daniel Russel, speaking recently in Washington about U.S. policy for the Asia Pacific region, said that the rebalancin

发表于:2019-02-01 / 阅读(94) / 评论(0) 分类 VOA常速英语2013年(八月)

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(141) / 评论(0) 分类 英文语法词汇

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(178) / 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(232) / 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(138) / 评论(0) 分类 实用英语

We found activity in a tiny, little factory near the base of the brain 我们发现在大脑底部附近有一块活跃的微小的区域 called the ventral tegmental area. 腹侧背盖区。 We found activity in some cells called the A10 cells, 其中

发表于:2019-02-14 / 阅读(196) / 评论(0) 分类 TED演讲科学篇

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(139) / 评论(0) 分类 英语时差8,16

President Barack Obama is continuing his Asia-Pacific trip by heading to Australia for a one day state visit with one of America's five security treaty allies in the region. Although brief, Mr. Obama's visit is expected to reaffirm strong historical,

发表于:2019-02-18 / 阅读(92) / 评论(0) 分类 英语新闻

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(153) / 评论(0) 分类 英语听力文摘 English Digest
学英语单词
.lyr
a-night-times
adaptive control theory
Adenophora micrantha
adjusted statement of application of funds
antidiarrheal drugs
autovariance function
bergaders
binant electrometer
calciokinesis
cement flooring
Churchill , John, 1st Duke of Marlborough
cimeliarch
citosan misulban
cloxacillin
corneal reflection method
coue
court review
data coupler
decision situation
defacing
deldred
dicranaless
digitally synthesized amplitude filter
dipper sampling
discourage from
displacers
duplex punch
endocarditis benigna
equilibrium, temperature
esophagogastrectomy with colon interposition
examination candidate
eye bag
flail mower
flocculation acelerator
fluted link
foramen rotundum
Fresh Water Trout
furnace holding
grade in deposit standard
haptenizing
heavy load relay
hog slaughtering
hyperconserved
hyrgol
ichthyol formaldehyde
inlet ran
interest disbursement
intraoceanic arc
inverted loop
is-my
Islamite
kamasan
leprosaria
light weight ferrocement
luminescent fine pottery
malanges
method of field parameter measurement
mnemotechnists
Mortlockese
Nauābād
neutralized radiofrequency stage
one-quadrillionth
onlay graft
order for reconditioning of defective work
penicillium leshmanii
Pikermi
plummer block keep
polyneura
preciosas
pressure ice-foot
Q-index
record-industry
reference accoustic pressure
rivet list
sand preparing system
school staff
session border controller
setting up piece
Singapore Strait Times Index
skeleton curve
spectral halfwidth
spider hub
spinarios
stereolabs
swails
synesthesia
Tabasarans
ternary liquid-system
theory of anion absorption
two pyroxene andesite
Ubong
upper winding bar
villoma
wax-chandlers
weight centre
welding fixture
well-anchored
wire-line core-barrel
working top
yashmac
Zābolī