激光载波

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(151) / 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(134) / 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(120) / 评论(0) 分类 VOA标准英语2014年(二月)

A Chinese-made self-driving container straddle carrier, said to be the first of its kind in the world, is now undergoing testing at a port in Shanghai, reports China Central Television. A container straddle carrier is a freight carrying vehicle that

发表于:2018-12-24 / 阅读(164) / 评论(0) 分类 2018CRI中国国际广播电台

Newspaper Carrier Day is an important day to celebrate one of societys forgotten workers the newspaper carrier. Every day, thousands of newspaper girls and boys get up early and carry heavy bags of newspapers around the streets. They deliver our news

发表于:2018-12-29 / 阅读(142) / 评论(0) 分类 英语课程学习计划和讲义

JUDY WOODRUFF: President-elect Trump made his first public speech today since the election on a trip to Indiana to tout a deal that he said made good on a campaign promise. Mr. Trump met with Carrier workers on the floor of their Indianapolis plant t

发表于:2018-12-31 / 阅读(178) / 评论(0) 分类 PBS访谈商业系列

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(150) / 评论(0) 分类 2017年VOA慢速英语(七)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(219) / 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(204) / 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(172) / 评论(0) 分类 2012年VOA慢速英语(一)月

US Crew Vigilant as Carrier Sails Through Strait of Hormuz Ready and vigilant, the battle group steams through the waterway where a fifth of the worlds oil passes. Tehran has threatened to block the strait, and warned U.S. ships not to come. For Navy

发表于:2019-01-14 / 阅读(149) / 评论(0) 分类 VOA标准英语2012年(二月)

RACHEL MARTIN, HOST: The USS Carl Vinson is in De Nang, Vietnam. And it is the first U.S. aircraft carrier visit since the end of the Vietnam War. And it comes at a time of increasing tension between the U.S. and China and between China and some of i

发表于:2019-01-16 / 阅读(146) / 评论(0) 分类 2018年NPR美国国家公共电台3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(176) / 评论(0) 分类 VOA常速英语2007年(十一月)

Sissel Kyrkjebo,挪威著名的女歌手,以其空灵清澈的音色踏入歌坛超过10年。《All Good Things》是Sissel首张唱流行曲的唱片,十一首歌曲虽然还可发现不少令人联想到Enya一类的音乐元素,但歌曲编排都渗入了具备时代感的流行曲节奏。唯一真正保留Sissel原来风格的,或

发表于:2019-02-02 / 阅读(242) / 评论(0) 分类 音乐咖啡厅

BEIJING, March 29 (Xinhua) -- China is conducting scientific testing and training exercises for its aircraft carrier, Defense Ministry spokesman Yang Yujun said Thursday. It takes time for weapons and equipment to be developed from scientific researc

发表于:2019-02-02 / 阅读(184) / 评论(0) 分类 英语新闻

China conducts flight landing on aircraft carrier LIAONING AIRCRAFT CARRIER, Nov. 25 (Xinhua) -- China has successfully conducted flight landing on its first aircraft carrier, the Liaoning, naval sources said. A new J-15 fighter jet was used as part

发表于:2019-02-06 / 阅读(199) / 评论(0) 分类 英语新闻

DALIAN, Sept. 25 (Xinhua) -- China's first aircraft carrier was delivered and commissioned to the People's Liberation Army (PLA) Navy Tuesday after years of refitting and sea trials. Overseen by President Hu Jintao and Premier Wen Jiabao, the carrier

发表于:2019-02-07 / 阅读(298) / 评论(0) 分类 英语新闻

China's first domestically-built aircraft carrier has set out from a port in Liaoning on its maiden voyage to start sea trials. The 50,000-ton vessel, codenamed Type 001A, is the second aircraft carrier launched by China. It follows the carrier Liaon

发表于:2019-02-14 / 阅读(168) / 评论(0) 分类 2018CRI中国国际广播电台

听歌学英语:空灵清澈天籁之音SisselCarrier Of A Secret Sissel Kyrkjebo,挪威著名的女歌手,以其空灵清澈的音色踏入歌坛超过10年.是Sissel首张唱流行曲的唱片,十一首歌曲虽然还可发现不少令人联想

发表于:2019-02-18 / 阅读(166) / 评论(0) 分类 听歌学英语

The Indian government will give billions of dollars to rescue its debt-ridden national carrier, Air India. But the government has deferred a decision on allowing foreign airlines to pick up a stake in private Indian airlines, which are also strugglin

发表于:2019-02-18 / 阅读(226) / 评论(0) 分类 英语新闻
学英语单词
accessory vertebral veins
agmina
anodynes
Areoligera
automatic starter
azobanzoic acid
Barau's petrel
battre
bid in sth.
black perch
blow into
braille embosser
bronchial breathing sound
Brug's filariasis
buctns
busy period distribution
button-head bolt
cat-o-nine
cerulein
chantriolide
color of
conjunctival layer of bulb
correction rate of defect
credit availability theory of inflation
detachable head of cylinder
document root
dodge a tax
dog-and-pony show
drive-in cinema
eighteen-eight steel
engine designer
epistle side
equilibrium valve
fiber-composite material
first branchial arch complex defects
flare-like brightening
gaff sail
Glamorgan
glycine (gly)
graton
guillotine rag cutter
hageholm
high water level diagram
ice-men
ideal class
inquisitioning
Italian parsley
jar tester
joint with shearing ring
kiawah
lexon
local asphyxia
Mangoag
meteor-burst radio
MO disk
muffler outlet pipe bracket
nathalie
non-admitted assets
nonsale
NRE
outer motor cooler
pale-blues
payment on account telephone card
pharyngeal plexus
picture-book
pilled-up
point-contact diode
positioning-device
precisional
pubic branch
r.h.a
reference value of an influencing factor
reflexive domain
reincarnationists
renocutaneous
ribosome
Ruffigne
Rumex dentatus
rundell
sagem
satirizable
sheath pile
shore bridge
shorthand for
soil conditioner
star formation
stereophonic TV
stop out
supragingival calculus
tax someone's patience
tenamos
torque type power meter
Trolovol
trundle-bed
uniset
unused balance
upatissa
ustilago hordei (pers.)lagerh.
vanillic alcohol
vascuolation
vertical factor
Yungera