高能雷射

[00:01.43]Shelly to Elizabeth Hitchener [00:03.94]Your letter of the 1st hath this moment reached me. [00:08.43]I answer it according to our agreement, [00:11.06] which shall be inviolable. [00:13.35]Truly did you say that, at our arising in the morn

发表于:2018-11-30 / 阅读(167) / 评论(0) 分类 英语专业晨读美文

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(90) / 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(79) / 评论(0) 分类 2013年VOA慢速英语(二)月

FAITH LAPIDUS: This is SCIENCE IN THE NEWS in VOA Special English. Im Faith Lapidus. BOB DOUGHTY: And Im Bob Doughty. Today, we will tell about a new cancer treatment and a study of the disease malaria. We will tell about the possibility of drier con

发表于:2018-12-16 / 阅读(67) / 评论(0) 分类 2010年VOA慢速英语(十一)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(66) / 评论(0) 分类 2015年Scientific American(一)月

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(96) / 评论(0) 分类 2017年VOA慢速英语(七)月

This is Valentines Day and this morning, we have a few words about love and money. According to research from a major credit card company, the average man spends about $130 on his sweetheart. Women, spend about half that. For people who want to spend

发表于:2019-01-07 / 阅读(164) / 评论(0) 分类 2006年NPR美国国家公共电台

Information to help you cope with stress, depression, and other mental health issues Art Chimes | Washington, DC 12 March 2010 The APA's Help Center offers a collection of tools and articles to help you learn about and, perhaps, cope with mental heal

发表于:2019-01-09 / 阅读(77) / 评论(0) 分类 VOA标准英语2010年(三月)

This is the VOA Special English Health Report. Cardiovascular disease is the world's leading cause of death. It includes heart attack, stroke and high blood pressure. Over the years, researchers have identified several substances in the blood that c

发表于:2019-01-11 / 阅读(96) / 评论(0) 分类 VOA慢速英语2009年(七)月

STEVE EMBER: Im Steve Ember. BARBARA KLEIN: And Im Barbara Klein with EXPLORATIONS in VOA Special English. Today we talk about a method that helps provide low-income people with the financial services they need to improve their lives. Organizations a

发表于:2019-01-11 / 阅读(179) / 评论(0) 分类 2010年VOA慢速英语(六)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(129) / 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(93) / 评论(0) 分类 2012年VOA慢速英语(一)月

STEVE EMBER: Im Steve Ember. FAITH LAPIDUS: And Im Faith Lapidus with EXPLORATIONS in VOA Special English. This week, we tell about one of the most recognizable objects in science fiction the laser. And we tell how the laser has made its mark in the

发表于:2019-01-12 / 阅读(79) / 评论(0) 分类 2010年VOA慢速英语(九)月

Last month, Washington, D.C., opened a new kind of trade school of which it is immensely proud. This is not one of the old-fashioned vocational schools that taught literal nuts-and-bolts repair work or hands-on career training in fields like auto re

发表于:2019-01-12 / 阅读(75) / 评论(0) 分类 VOA标准英语2008年(九月)

The September 11, 2001 terrorist attacks brought about many changes in American society. The government established a new department to deal with terrorist threats. Airports instituted tough new security rules. Public awareness of Islam and Muslim co

发表于:2019-01-14 / 阅读(89) / 评论(0) 分类 VOA标准英语2010年(九)月

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 science of the future to eve

发表于:2019-01-24 / 阅读(120) / 评论(0) 分类 英语语言学习

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(111) / 评论(0) 分类 VOA常速英语2007年(十一月)

President Barack Obama this week announced the suspenion of future transfers of prisoners to Yemen from a U.S. detention facility in Guantanamo Bay, Cuba. The Nigerian man accused of trying to bomb a U.S. airliner December 25 reportedly was trained i

发表于:2019-02-08 / 阅读(81) / 评论(0) 分类 VOA标准英语2010年(一月)

RIO DE JANEIRO, July 17 (Xinhua) -- Chelsea is this week expected to confirm the signing of Brazilian starlet Oscar after the midfielder underwent a medical with the European champion on Tuesday. The 20-year-old's club Internacional is understood to

发表于:2019-02-08 / 阅读(105) / 评论(0) 分类 英语新闻

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(92) / 评论(0) 分类 经济学人科技系列
学英语单词
additional layer
air tube cooder
alternate installation disk
anomalous film
anovhaploid
anticyclone subsidence
application valve cover gasket
aruwaltja (n. australia)
baidie
baixo
bald erne
Bankim
biabsorption
bismutospherite (bismutosphaerite)
blackorby
briercliffe
bunker tank
Byarezina
carry a bill
CCL42
ceramic condensor
Chinese foot
choke-tube
cross-referring
cybermuseum
dinner shirt
Dobrotesti
downdraught strand cooling
Dworshak Res.
ecogeographical divergence
enterograph
expansion clamp
figged soap
flipped over
fossed
Fusignano
glass fiber lubricant
grade-level
Grezzana
gym muscles
harvest flies
Hastings, Battle of
heeders
hole sorter
hot chamber plunger die casting machine
hydraulic turbine
hygrom of cavum retzii
independent establishment
individual pieces
inverted hats
jus cloacae mittendae
kemosabi
Lasianthus sikkimensis
lensmakers
Magnolia sargentiana
magnomious
mandated
matatas
merrymeetings
middle hemorrhoidal artery
MIEMSS
Morro R.(Moro)
nighttide
Nipissis R.
non-aqueous electrochemistry
Notensil
Parseval's identity
party wire
ph(a)enogenetics
photoflash tube
priming the fuel system
purpuriferous
rapted
regular eye needle
Republic of Slovenia
roll bar
san francisco bays
schieffelin
sebocystoma
second self
service clearance
shurab rud
simulating motor
sken t-log p diagram
slag analysis
smoke density meter
sol protein hydrolysate
spiess
step point
sulfurated lime solution
syphilitic myocardial gumma
test calibration
thankfully
Trizivir
trunk of spinal nerve
twin port
uk deluxe
Vaalies
visual photometry
winkler's oxygen sampling bottle
wire-type fuel element
Xinyu