激光致冷

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(143) / 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(127) / 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(112) / 评论(0) 分类 VOA标准英语2014年(二月)

口语:你这人真逗! 一直以来,card(牌戏)都是人们休闲娱乐的几大方式之一。中国人爱玩牌不假,外国人自然也不例外。瞧如下与card有关的短语,在玩牌之余溜出几句,会让牌友对你刮目

发表于:2018-12-16 / 阅读(114) / 评论(0) 分类 实用英语

Flood survivors blocking a highway in southern Sindh province in Pakistan outrage they're not seeing the humanitarian aid promised them. The BBC's Mike Wooldridge says an estimated 20 million people are affected with waterborne diseases on the rise.

发表于:2018-12-17 / 阅读(103) / 评论(0) 分类 2010年NPR美国国家公共电台8月

Obituary;Steve Schneider; 讣闻;史蒂夫施奈德; Stephen Schneider, climate scientist, died on July 19th, aged 65. 气象学家史蒂夫施奈德,于2010年7月19日去世,享年65岁。 Mark twain had it backwards, Steve Schneider joked, in

发表于:2018-12-31 / 阅读(115) / 评论(0) 分类 经济学人人物系列

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(138) / 评论(0) 分类 2017年VOA慢速英语(七)月

463 、 自感量 self-inductance 464 、 自感应 self-induction 465 、 色彩;颜色 colour 466 、 色调 tone 467 、 色环 colourwheel 468 、 行星齿轮;周转齿轮 epicyclicgear 469 、

发表于:2019-01-03 / 阅读(128) / 评论(0) 分类 英文名句短语

DEVELOPMENT REPORT – March 18, 2002: Pot-in-Pot Cooling Device By Jill Moss This is the VOA Special English Development Report. In many developing countries, it is difficult to keep food cool. Most

发表于:2019-01-06 / 阅读(215) / 评论(0) 分类 农业与发展

Right here is where you can find out why people get so riled up about the issue of climate change. This is CNN Student News. I'm your anchor Carl Azuz, let's go. Forty six and cloudy, that's the forecast for Copenhagen, Denmark as a Climate Summit br

发表于:2019-01-07 / 阅读(117) / 评论(0) 分类 cnn2009年(十二)月

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(215) / 评论(0) 分类 2005年NPR美国国家公共电台

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(188) / 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(161) / 评论(0) 分类 2012年VOA慢速英语(一)月

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(163) / 评论(0) 分类 VOA常速英语2007年(十一月)

Argument 47 The nation of Claria covers a vast physical area. But despite wide geographic differences, many citizens are experiencing rising costs of electricity. A recent study of household electric costs in Claria found that families who cooled the

发表于:2019-02-01 / 阅读(164) / 评论(0) 分类 GRE英语

Many countries have experienced record-setting high temperatures this year that many attribute to global warming. While governments have spent billions of dollars to study climate change and ways to counteract it, scientists say there are inexpensive

发表于:2019-02-03 / 阅读(153) / 评论(0) 分类 英语新闻

Business 商业报道 Air conditioning 空调行业 Cool innovation 很酷的发明 An upstart hopes to make rival cooling companies sweat 一家新贵公司有望使制冷方面的竞争对手汗流浃背 ON A hot July day in 1902, the world's first

发表于:2019-02-16 / 阅读(118) / 评论(0) 分类 经济学人商业系列

If life were always merry If all the skies were sunshine Our faces would fain Feel once more The cooling splash of rain If all the world were music Our hearts would often long For one sweet strain of silence To break the endless song If life were alw

发表于:2019-02-19 / 阅读(104) / 评论(0) 分类 英语美文

Business. 商业 Air conditioning 空调行业 Cool innovation 很酷的发明(制冷方面的发明) An upstart hopes to make rival cooling companies sweat 这个挑战者渴望把与之竞争的空调公司逼出汗来 ON A hot July day in 1902

发表于:2019-02-26 / 阅读(167) / 评论(0) 分类 经济学人综合

A: And therefore, global warming is the greatest de- ception of the early 21st century. Questions? B: Uh yeah. In the lecture you said there s more evidence in the scientific record supporting global cooling? A: Well, yes, essentially, the historical

发表于:2019-03-06 / 阅读(275) / 评论(0) 分类 英语播客-EnglishPod
学英语单词
a meeting of minds
afferent duct
air proof test
analog-digital automatic program tester
antiadoption
aquatic protection
audi alteram partem
axially asymmetric flow
ballroom dance, ballroom dancing
bellyache
benefiting vital energy
binary granite
Bocaina do Sul
bottom-dump skip
butch flax
buttermere
camerones
can mark
centralis insertio
chronotaraxis
chylific
comfort noise generator
comparative value
concussation
copypasta
create a scene
de-noise
deciders
DEMATEL
derivative method
differential operator sequence
direct labo(u)r standard
done time
drawing-apparatus
enthunder
excepted perils
extra fine wire
film fans
flagellar hair
focussing mechanism
galloon ribbon
generationally
give sb a shove
greek drachma
hedge-bill
homoio-
house main (main line)
housekeeping genes
ichoremia
identifier declaration
infusion gun
inoscopy
iPlayer
jonnock
jump shunting
Kisenga
kluke
knockout game
leered
light ship mass
magnetic air gap
make-action contact
Margesic
maskell martix
maunior's hydrocele
maximum explosion pressure
melodrama
method of integration
mote brushing machine
Na Nong
nonpenetrating wound
nullo
opinon
Orthocide-406
pandalids
passenger's baggage
permanent low
preslag
prewarning
queen palm
radio-fixing aids
Rhododendron joniense
RTP (remote transfer point)
s back
santo domingoes
schlondorffs
self-regenerating
shovelbumming
shunt admittance
sotte
standard drop measure
stillage bottoms
sudden precordial pain
tabular system-oriented language
umbilicary
uniaxial compressive force
unrecognised
urinary gravel
urminine
weber-dimitri disease
workfarce
Yegon