音标:[ˈleizə ɡein] ;
激光增益

以字母O开头英语绕口令: 1.On a lazy laser raiser lies a laser ray eraser. 1.在一个反应迟钝的激光器上放了一个激光消除器。 2.Old oily Ollie oils old oily autos. 2.油腔滑调的奥利给老油汽车抹油。 3.One-One

发表于:2018-12-03 / 阅读(603) / 评论(0) 分类 英语绕口令大全

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(452) / 评论(0) 分类 VOA常速英语2008年(四月)

Rachel: What does John do for a living? Derek : He's a salesman. Rachel: That's a difficult way to make a living. Derek: Well, remember: No pain, no gain. 一分耕耘,一分收获 雷切尔:约翰是靠什么谋生的? 德里克:他是个推销员

发表于:2018-12-08 / 阅读(710) / 评论(0) 分类 赖世雄初级美国英语

1. A judge has found 3 New York Police detectives not guilty in the shooting death of an unarmed man. The officers shot Sean Bell 50 times just hours before his wedding. Rev. Al Sharpton has called for a federal investigation. 2. An eight-mile stretc

发表于:2018-12-15 / 阅读(484) / 评论(0) 分类 美联社新闻一分钟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(484) / 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(465) / 评论(0) 分类 VOA标准英语2014年(二月)

In 1970, the Soviet Union put a laser reflector on the moon, carried by a rover. A few months later, it disappeared. Some speculated that the rover had fallen into a crater or parked in such a way as to render the reflector inaccessible. Now after 40

发表于:2018-12-24 / 阅读(476) / 评论(0) 分类 Scientific American(四)月

Conversation 1 A: They are state-of-the-art computers. Would you like to see how it works? A:这些是最尖端的电脑。您想看看它是如何操作的吗? B: Yes, please. B:好的,麻烦你了。 A: OK. Let me just have it all set up in

发表于:2018-12-25 / 阅读(430) / 评论(0) 分类 最In导购口语

[00:00.00] MODULE THREE [00:13.84]Research [00:15.78]Unit one [00:19.96]I'm looking for information. [00:23.04]1.Look,listen and learn [00:33.99]A:Come here, Lingling. [00:36.81]Mum has bought a new computer for us. [00:40.15]This is the keyboard. [0

发表于:2018-12-29 / 阅读(496) / 评论(0) 分类 新标准小学英语第五册(三年级起点)

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(472) / 评论(0) 分类 2017年VOA慢速英语(七)月

Some dinosaurs were really huge, and now we may have a better way to estimate just how heavy these giants were. Researchers have developed a method to weigh dinosaurs based on laser scans of their skeletons. The study is in the journal Biology Letter

发表于:2019-01-08 / 阅读(591) / 评论(0) 分类 Scientific American(六)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(537) / 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(587) / 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(505) / 评论(0) 分类 2012年VOA慢速英语(一)月

[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊,小羊 地主,房东,店主 风景,景色 小路,小巷 [1:52.8522]largely laser latter laughter大部分,主要地 激光器 后者的,末了的 笑,笑声 [2:36.6

发表于:2019-01-16 / 阅读(644) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

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(485) / 评论(0) 分类 VOA常速英语2007年(十一月)

本文是一位经验丰富的计算机人才想寻求一份外企公司的技术工程师,这份英文简历主要介绍了自己多年的工作经验和技术能力,以及在技术方面取的证书等等。是计算机领域英文简历中不错

发表于:2019-02-06 / 阅读(484) / 评论(0) 分类 实用英语

As many women know only too well, finding a dress that fits like a glove is no easy task. 许多女人都很明白吧,想要找一条和手套一样合适的裙子可不是容易事。 But a new dress, created using a 3D printer, may be the answer

发表于:2019-02-07 / 阅读(508) / 评论(0) 分类 英语新闻

今天我们要学的词是gain ground。 To gain ground意思是有进展,也可以指越来越被大家所接受。Mild weather helped firefighters gain ground on a fire in Yosemite National Park, 温和的天气让消防队员征服优胜美地国

发表于:2019-02-07 / 阅读(428) / 评论(0) 分类 英语每日一词

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(472) / 评论(0) 分类 经济学人科技系列
学英语单词
absolute optical shaft encoder
acale
akta
Animalia
aorta stenosis
attack teacher
autoclosing
automatic frequency tuner
bradyseisms
brantner
bug shoes
cable conduct
chamber orchestras
chrysopilus griseipennis
cocksmanship
collective reserve fund
cost factor
counter-electrode
coupling network
deficiency indices
Dem'yana Bednogo, Ostrov
depreciation of plant equipment
design in detail
dipole array
document merge
edible corns
elastic comeback
enthuse over sth.
equivalent state
Erebus
eu-
expiscates
faurie
fever of unknown origin
florche
frontal ramp
fuzzy zero function
general average deposit fund
Great Lent
grim wheel
gris
guilt-ridden
immunoimaging
inscribe
irbid
jw
launch-latch
Lukosi
mechanical test of material
melodiograph
methylene blue test
micrococcus concentricus
Mukur(Muqur)
nephrocytitis
Nyanhanga
Oberex
Omerazole
orlo
os metacarpale iii
overriding plate
pan scourer
Penrose steps
photoflight
picture stop
pinch-band technic
pollution control technology
pony roughing
pound per square inch gage
power grids
pulse discharge
quantity allotted
resemblant
riveting tool
sending for
silicanes
slag disposal area
souker
soybean cutter
spend like water
Sre Chas
stipitiform
strike at the roots of
submittals
the Trade Descriptions Act
titanium tetrabromide
tourist guides
tree graph
trichogramma ostriniae
triphora alveolatus
trums
uleron(diseptal-A)
unfades
unregardingly
v.h
valentich
vilipending
volcanic sedimentary deposit
war injury of great vessels of lower limb
wikstrooemia chamaedaphne meisn.
Yarqā
zinc polycarboxylate cement
zitherist