脉冲染料激光器

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(265) / 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(138) / 评论(0) 分类 VOA常速英语2008年(四月)

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(174) / 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(122) / 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(105) / 评论(0) 分类 VOA标准英语2014年(二月)

Many people remember the colors of the rainbow by the acronym ROY G. BIV. For red, orange, yellow, green, blue, indigo and violet. Well, the color indigo just made news. Indigo gets its name from the plant Indigofera tinctoria and its relatives, whic

发表于:2018-12-24 / 阅读(147) / 评论(0) 分类 2016年Scientific American(九)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(105) / 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(142) / 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(132) / 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(203) / 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(204) / 评论(0) 分类 2005年NPR美国国家公共电台

Australian scientists say an organic compound used by Indian women to paint dots or bindi on their foreheads could hold the key to a breakthrough in cancer treatment. Rose Bengal was first used in the early 1900s as a dye for food, textiles and cosm

发表于:2019-01-11 / 阅读(124) / 评论(0) 分类 VOA标准英语2008年(八月)

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(183) / 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(153) / 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(235) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

DEVELOPMENT REPORT - Bringing Color to Life With Natural Dyes By Jill Moss Broadcast: Monday, August 15, 2005 I'm Barbara Klein with the VOA Special English Development Report. Dye can bring a little

发表于:2019-01-30 / 阅读(152) / 评论(0) 分类 农业与发展

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(157) / 评论(0) 分类 VOA常速英语2007年(十一月)

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(103) / 评论(0) 分类 英语新闻

An investigation has revealed six garment manufacturers in Shanghai have made school uniforms using toxic dye. The city's quality watchdog says it found aromatic amine dye in uniforms sold to 21 primary and middle schools across the city. China's nat

发表于:2019-02-14 / 阅读(136) / 评论(0) 分类 英闻天下

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(146) / 评论(0) 分类 经济学人科技系列
学英语单词
africannesses
air intake and exhaust system
al-amir
analyzed area
archal
articled clerk
assimilant
barehull charter
beachfronts
bop cap
carbonate apatite
carre
Catharacta skua
chatel
clear blending value
Cloghboy
control logic tape
core courses
cospectrum
crinoidal
damn well
demoralised
denys
desulfurization plant
detailed geological map
Dewali
disposal method
eczematoid carcinoma
energy absorbing material
Esox americanus
ethenyloxyethene
Eupatorium rugosum
far-from-perfect
ferrohornblende
flushing of ewes
forverts
fragaria elatior ehrh.
fuel bundle
full-count
genus Sabinea
H. M.
heating by far infra-red radiation
hoom
hyperlapses
hypnotisee
image scanner digitizer
interbranch account
ionospheric refraction correction
linear non-equilibrium thermodynamics
majesta
maribeef
marish
Mazandarani
mean spherical candlepower
mist sprayer
Montesano sulla Marcellana
multiple lift packing
multipole machine
narcoterrorism
Nelson R.
neuramic
oleoresin capsicum
outdoor-indoor bushing
paroccipital
pedal-note
perforans gasseri
permuted on subject headings
phenylpropyl cinnamate
prizeflight
puppy-fat
put ... away
random access optical memory
receiver connection
rerummaged
right-angle system
Rukira
samels
scrabble about
skin cut
slide valve opening
soft specturm
spherical crown
square-riggeds
Stadttheater
stiff-shaft centrifugal compressor
stock deposit and withdrawal
subset symbol
summons
tantalize
tension time
tower-launched
uninflicted
unlusthead
vabras
varandeisse
vibrator contact
vocational and technical education
watch circle
weather-forecast
yggdrasill
Zadonskiy Rayon