[网络] 半导体激光模组可见光

By Carol Pearson Washington 30 April 2008 Ten years ago, the U.S. Food and Drug Administration approved LASIK, eye surgery with a laser that enables people to see without glasses. But about five percent of LASIK procedures fail, and those patients ca

发表于:2018-12-08 / 阅读(144) / 评论(0) 分类 VOA常速英语2008年(四月)

EXPLORATIONS - The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can

发表于:2018-12-16 / 阅读(129) / 评论(0) 分类 2013年VOA慢速英语(二)月

New Laser Device Helps Parkinson's Patients Walk 新激光设备帮助帕金森患者重获行走能力 Parkinsons disease slowly destroys the brains ability to control the muscles, depriving the patients of their mobility. Researchers at the Mayo Cl

发表于:2018-12-16 / 阅读(114) / 评论(0) 分类 VOA标准英语2014年(二月)

Sometimes it is hard to see the light, especially it lies in the invisible spectrum, like ultrared, ultraviolet radiation. But if you long to see the unseeable, you might interested to hear that under certain conditions people can catch a glimpse of

发表于:2018-12-24 / 阅读(131) / 评论(0) 分类 2015年Scientific American(一)月

Idiom: Nose in the air形容人自大,傲慢 Hit the book: Undercover Confiscate Enclosure Visible Multiple Cub Notorious Lameness

发表于:2018-12-27 / 阅读(367) / 评论(0) 分类 趣味青春英语

vision n.视力;影像;眼光;先见;远见 I wear glasses to improve my vision. 我戴眼镜以改善我的视力。 It is said that the children saw a vision of an angel here. 据说这些孩子在这里看到天使的影像。 The mayor ha

发表于:2018-12-30 / 阅读(164) / 评论(0) 分类 赖世雄进阶英语词汇3500

The United States Navy has demonstrated a new laser weapon operating in the Persian Gulf. The Laser Weapons System, or LaWS, is deployed on the USS Ponce transport ship. A live test firing of the weapon was recently carried out for Cable News Network

发表于:2019-01-02 / 阅读(140) / 评论(0) 分类 2017年VOA慢速英语(七)月

Jennifer: Hello and welcome to 6 Minute English from bbclearningenglish.com. My name is Jennifer and Im joined in the studio by Neil. Neil: Hello. In this programme, we look at a story in the news and teach you some new vocabulary and expressions alo

发表于:2019-01-07 / 阅读(143) / 评论(0) 分类 六分钟英语

This is All Things Considered. I'm Michelle Norris. Phone calls from Sweden woke up two American scientists this morning, John Hall and Roy Glauber. They will share the Nobel Prize for Physics with a German Researcher Theodor Haensch. All three worke

发表于:2019-01-08 / 阅读(217) / 评论(0) 分类 2005年NPR美国国家公共电台

怎么快速提高四级词汇量?有什么方法可以让单词不仅仅是记忆单词,而是记住了就可以不忘? 下面小编为大家带来的这篇文章就是借助词根记忆四级词汇,希望可以帮到童鞋们~~ 在翻看英语词

发表于:2019-01-11 / 阅读(138) / 评论(0) 分类 英文语法词汇

The History of the Laser Welcome to EXPLORATIONS in VOA Special English. Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one of the best examples of how technology can go from the sci

发表于:2019-01-12 / 阅读(191) / 评论(0) 分类 2013年VOA慢速英语(五)月

EXPLORATIONS - The Laser: Futuristic Science Found at Your Local Store MARIO RITTER: Welcome to EXPLORATIONS in VOA Special English.Im Mario Ritter. This week, we tell about one of the most recognizable objects in science fiction the laser. It is one

发表于:2019-01-12 / 阅读(164) / 评论(0) 分类 2012年VOA慢速英语(一)月

还记得孙燕姿那首红遍大江南北的《绿光》吗?翻越过前面山顶、层层白云,绿光在哪里?不知道有多少人跟小编一样,以为歌里的绿光只是对幸福的比喻。而其实在现实中,绿光是真实存在

发表于:2019-01-28 / 阅读(137) / 评论(0) 分类 实用英语

By Paul Sisco Washington 14 November 2007 At the McDonald Observatory in western Texas, a unique space program has been quietly underway for more than 30 years. It is called the Lunar Laser Ranging Program. VOA's Paul Sisco has more. Research scienti

发表于:2019-01-31 / 阅读(165) / 评论(0) 分类 VOA常速英语2007年(十一月)

351. odd a. 奇特的,古怪的;奇数的 352. omit vt. 省略 353. opponent n. 敌手,对手 354. opportunity n. 机会,时机 355. orchestra n. 管弦乐队 356. semester n. 学期;半年 357. se

发表于:2019-02-03 / 阅读(311) / 评论(0) 分类 英文语法词汇

Welcome to Social Networking in Plain English. 本期介绍社交网络。 Networks get things done. Whether it's sending a letter or lighting your home. Networks make it happen.To get from Chicago to Santa Fe, we need to see the network of roads tha

发表于:2019-02-04 / 阅读(125) / 评论(0) 分类 英语万花筒

What are some dumb questions you have been asked? 你都被问过哪些让人无语的问题? 获得6.7k好评的答案@Abhinav Gaur I work for a semiconductor company which makes electronic chips. On being asked about what I do, I once told to one

发表于:2019-02-06 / 阅读(145) / 评论(0) 分类 阅读空间

PC:个人计算机Personal Computer CPU:中央处理器Central Processing Unit CPU Fan:中央处理器的散热器(Fan) MB:主机板MotherBoard RAM:内存Random Access Memory,以PC-代号划分规格,如PC-133,PC-1066,PC-2700 HDD:硬

发表于:2019-02-18 / 阅读(176) / 评论(0) 分类 实用英语

By 1996 Apple's share of the market had fallen to 4% from a high of 16% in the late 1980s. 到1996年,苹果的市场份额已经从80年代末的高达16%下降到4%。 Michael Spindler, the German-born chief of Apple's European operations who had

发表于:2019-02-22 / 阅读(296) / 评论(0) 分类 乔布斯传

1. There is not a moment to be lost. 分秒必争。 2. There is noholding back the wheel of history. 历史车轮不可阻挡。 3. Nota soul was anywhere visible. 到处见不到一个人。 4. I felt sorry for not coming in time. 我很抱歉没准时

发表于:2019-03-13 / 阅读(192) / 评论(0) 分类 托福英语
学英语单词
A. N. Other
academic performance
adequate consideration
amastrid
anti-interference circuit
arrival of cargo
astroglia
autopolymer
baek-dong (paek-dong)
based on custom
blown off some steam
bond twisting
bullet-holes
careers mistress
Cauquenes
celestial latitudes
chrome-magnesite brick
close higher
CMFVAT
comast
content of evidence
continuous wave signal generator
demographics
desloratidine
dibenzoparathiazine
diesel-generator auxiliary
dog spike push out
dolopichthys pullatus
dynamic mechanical behavior
elongator
engine coolant
ethyliodoacetate
fermentative microbiology
fileting machine
flea bite
Fly by Night
fuso
geoplanetology
gitterman
h-mart
Hearing Procedure
Helly's theorem
high-grade dyestuff
Hines-Brown test
hydropower computation
inert type
intrahepatocellular
jam-tree
L-lyxose
lactiferous sinus.
lag coil
lasiuss
lead coulombmeter
limper
line is blocked
load, full
lower sixth
management-staff
Mechetlinskiy Rayon
medium gliding turn
meteor burst
non-polar substance
Obodivka
occupational socialization
peacockly
pineapple jelly
plastic phlebitis
Platte River penstemon
pook
pullion
radiation channel
revegetate
RF SQUID
Rubaiyat
schoolboy errors
scruge
selective treatment
semiautomatic programming
sitiate
spousess
square body
stay bracket
stiff-man syndrome
subprolate
tag-sale
Takanosu-yama
talipes planus
Tetracel
thirtysomethings
time-marching
to pass the ball
totemists
Troisier's net
tugwithe
type of economics
unidirectional transducer
voice terminal
water-starved
wet storage holders
wet strength agent
WHQL
zone of leaching