激光内腔技术

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(145) / 评论(0) 分类 VOA常速英语2008年(四月)

1.Fuel your body with an amazing breakfast用美味的早餐给你身体充能 Have you ever noticed how some mornings you feel great and ready to tackle the world, and other days you have a mid-day slump? Having a healthy breakfast can help keep you

发表于:2018-12-12 / 阅读(112) / 评论(0) 分类 实用英语

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(129) / 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(115) / 评论(0) 分类 VOA标准英语2014年(二月)

Transcript This is Scientific American's 60-Second Science, I am Cynthia Graber.This will just take a minute. Physicists at the Brookhaven National Laboratory have been able to send information ahead of particle beams racing at nearly the speed of li

发表于:2018-12-24 / 阅读(185) / 评论(0) 分类 Scientific American(二)月

每期节目一话题,让英语磨练耳朵的同时学到更多有益的小知识,丰富知识的同时受益于生活。 Time-management tips 时间管理技巧 Work around procrastination. 克服拖延症。 Try Francesco Cirillo's Pomodoro Te

发表于:2018-12-27 / 阅读(121) / 评论(0) 分类 英语听力广播—Listening

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(140) / 评论(0) 分类 2017年VOA慢速英语(七)月

If you are like many language students, you might have a problem with procrastination. Perhaps you are slow to do homework or study for a test. Maybe you do not like to study or you become distracted while studying. Whatever the case may be, learning

发表于:2019-01-02 / 阅读(469) / 评论(0) 分类 2017年VOA慢速英语(六)月

2. agri 你已认识field是“田地”, 你是否也知agri的意义? 在有关农田的词汇里, field竟都被agri所代替。 agri=field 田地,农田(agri也作agro,agr) 1. agrology agr

发表于:2019-01-06 / 阅读(158) / 评论(0) 分类 英文语法词汇

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(217) / 评论(0) 分类 2005年NPR美国国家公共电台

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver

发表于:2019-01-11 / 阅读(233) / 评论(0) 分类 英汉幽默故事选读

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(192) / 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(165) / 评论(0) 分类 2012年VOA慢速英语(一)月

Technique May Eliminate Drill-and-Fill Dental Care For over a hundred years, dentists have been repairing cavities by removing the decayed tooth tissue with a drill and filling the hole with metal or plastic material. Depending on the cavitys depth,

发表于:2019-01-14 / 阅读(143) / 评论(0) 分类 VOA标准英语2015年(八月)

By Carol Pearson Washington 08 January 2008 New technology makes surgery safer, shortens recovery time and leaves no scars. Both physicians and patients are pleased with the results. VOA's Carol Pearson has more. Maria Viruet recently had her gallbla

发表于:2019-01-31 / 阅读(181) / 评论(0) 分类 VOA标准英语2008年(一月)

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(166) / 评论(0) 分类 VOA常速英语2007年(十一月)

Vacationing on the island of Oahu, we were waiting in our tour bus for some stragglers to show up. A man, obviously not with our group, approached the bus and was about to board. How would our driver handle the situation, we wondered. Straight-faced,

发表于:2019-02-03 / 阅读(163) / 评论(0) 分类 趣味英语

The Federal Bureau of Investigation's secret method for unlocking the iPhone 5c used by one of the San Bernardino shooters will not work on newer models, FBI Director James Comey said. 美国联邦调查局局长詹姆斯科米近日表示,FBI用于破

发表于:2019-02-15 / 阅读(138) / 评论(0) 分类 英语新闻

Reproductive technology 生殖技术 Mum, Dad and Mitomum 妈妈,爸爸与代孕妈妈 Britain may allow babies with three biological parents 英有望允许新生儿有三个亲身父母 ASSISTED reproduction is one of those rare areas in which Br

发表于:2019-02-16 / 阅读(173) / 评论(0) 分类 经济学人科技系列

知识点讲解: 1、中文意思一样 insist persist 2、两个词长得像 special specialty 3、长得像+中文意思一样 technique technology ① Technique 方法、技巧 Hes a great basketball player. He has flawless technique. 他是位很

发表于:2019-02-21 / 阅读(142) / 评论(0) 分类 每天三分钟学英语
学英语单词
abnormal text/codes for categorical observations
Arabicizations
art dealer
asizs
Athenaeum Club
auto-numbered footnote
b-pillar
bad-check
batch compilation report
books of hosea
branch system
brevicipitidaes
bruit de pot fele
cauligenous
centralized force-feed lubrication
clothes pins
cool-white
crankshaft journal
deficit electrons
dryout ratio
dual duty
electron-diffraction camera
embedded depth
EPMB
evaporative cooling generator
exfoliative
farmwards
fawnsome
fight with the gloves off
filling cord pique
fluviatile loam
g/cm
garnierites
gaudery
Gauss variational problem
glossographer
glucometers
goramies
guild-houses
halons
hatch hour rate
have the Indian sign on
heart output
hentoffs
huffish
inaudiblenesses
integrifolias
jazz-house
kuriltai
lateral chain
M-C asphalt
make it up to someone
masry
micromachined
molding cutter
mood's w-test
Muppets, The
Nitrospirales
nonuniformity of colo(u)r subcarrier modulation
o-dichlorobenzene
olfactorium
Oxylobium
patinating
penicillin toranto
pinolillo
predeterminations
program sensitive fault
push factors
R CrB star
raspises
Raznezh'ye
reconditioned
recycling of nutrients
relative index of refraction
round sth off
Salvador Dali
samandatrine
septoria ranunculi-vernyi
shabs
Shakespeare
Shallotte
signability
snap die
stage rights
stone flax
storascope
super-spreader
surface oscillation
tectonic unmixing
tetraphyllus brunneipes burnneipes
Thakèk
till wall
tincting
train checker
two commas
universal legatee
uranium moluranite
velocity pattern
vitaminizes
warning post
wet abrasive blasting machine
Zelophehad