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VOA常速英语2008年-US Government Reviews Laser Eye Surgery

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(450) / 评论(0)

VOA常速英语2008年（四月）

VOA慢速英语2013 EXPLORATIONS - The History of the Laser

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(481) / 评论(0)

2013年VOA慢速英语(二)月

Watch the US Navy’s New Laser Weapon in Action

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)

2017年VOA慢速英语(七)月

VOA标准英语2013--The History of the Laser

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(584) / 评论(0)

2013年VOA慢速英语(五)月

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VOA常速英语2007年-Scientist in Texas Runs NASA's Lunar Laser Prog

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

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VOA常速英语2007年（十一月）

OMG!美语 BBL! BFF!

1) BBL = Be back later = 一会儿回来，一会儿再聊 2) BFF = best friend forever = 一辈子的好朋友 3) BF/GF = boyfriend/ girlfriend 男朋友/女朋友 4) BTW = by the way = 顺便说一下

发表于:2019-02-07 / 阅读(389) / 评论(0)

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学英语单词

aplanatic telescope

Baerensprung's reythrasma

bowness-on-windermere

Camellia albescens

chain-of-evidence

coal sample for determining total moisture

Code of Military Justice

combination rig

completed shell

Early Christian

family Callionymidae

Forbidden fruit is sweet.

go offthe deep end

higher-frequencies

homomorphically

honeycomb condenser

in the dead of winter

ingestive infection

ip infringement

ketohydroxyestratriene

Kevdo-Mel'sitovo

land goods without a permit

Like father like daughter .

line identification facility

lobaria spathulata

Micromyx minutus

multiscale analysis

musculi sacrospinalis

national-income

negative cooperativity

nonlinear stochastic function

onuphis holobranchiata

Osyris quadripartita

panel sizing and dimension saw

patient primary care provider name & id no.

penrose rotation

proctitis ulcerosa

scraped plywood

spruce yourself up

Starobaltachevo

stoker fired grate

striking of cutting

subclinical vitamin deficiency

television camera optics

toxicity criterion

transconjunctival

Utricularia uliginosa