放电对流式激光器

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

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(64) / 评论(0) 分类 VOA标准英语2014年(二月)

My dear Teachers,fellow students and friends: Good afternoon. As we all know, the earth is a planet almost covered by water,and it is water made every thing on the earth lively.Water is also one of the important part of our environment.Th

发表于:2018-12-17 / 阅读(58) / 评论(0) 分类 人教版新目标初中英语(2013版)七年级下

Hey! Lennie! Good to see you. You too. Kim's doing okay? Yeah, seems like the usual Kim. Lennie! Honey? Sir, back away now! I didn't do this. Put your hands up! Now! Wanted for murder. Suspect's name: Bryan Mills. 21, he joins the army. At 23, he joi

发表于:2018-12-28 / 阅读(68) / 评论(0) 分类 英文电影预告片填空

15The Lord said to Moses and Aaron, 2Speak to the Israelites and say to them: 'When any man has a bodily discharge, the discharge is unclean. 3Whether it continues flowing from his body or is blocked, it will make him unclean. This is how his dischar

发表于:2018-12-30 / 阅读(93) / 评论(0) 分类 利未记

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 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(145) / 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(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

The cover shall be limited to sixty days upon discharge of the insured goods from the seagoing vessel at the final port of discharge. 被保险货物在卸货港卸离海轮后,保险责任以60天为限。 We generally insure W.P.A. on C.

发表于:2019-01-17 / 阅读(102) / 评论(0) 分类 英语作文

Confident women are amazing, brave, independent, strong and assertive. They know what they want and get it by all means. Before judging confident women, remember these 8 misconceptions about strong girls. 自信的女性妙不可言,她们勇敢独立

发表于:2019-01-17 / 阅读(54) / 评论(0) 分类 英语美文

1. When am I allowed to leave the hospital? 我什么时候能出院? 还能这样说: When can I be discharged? How soon can I be released from the hospital? 应用解析: allow for sb./sth. 在计算、估计、考虑时包括某人或某事物

发表于:2019-01-21 / 阅读(53) / 评论(0) 分类 情景会话口袋书人际篇

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)

Confident women are amazing, brave, independent, strong and assertive. They know what they want and get it by all means. Before judging confident women, remember these 8 misconceptions about strong girls. 自信的女性妙不可言,她们勇敢独立

发表于:2019-02-01 / 阅读(85) / 评论(0) 分类 阅读空间

今天我们要学的词是discharge。 Discharge有出院的意思。The H1N1 patient was discharged from the hospital after recovery, 这位H1N1甲型流感患者康复后出院。Former British Prime Minister Margaret Thatcher was discharged from

发表于:2019-02-03 / 阅读(108) / 评论(0) 分类 英语每日一词

今天我们要学的词是discharge。 Discharge有出院的意思。The H1N1 patient was discharged from the hospital after recovery, 这位H1N1甲型流感患者康复后出院。Former British Prime Minister Margaret Thatcher was discharged from

发表于:2019-02-08 / 阅读(105) / 评论(0) 分类 英语单词荟萃

眼睛是我们脸上位置最高的器官了。俗话说左眼跳财、右眼跳灾,其实都是迷信的说法。不过,这个眼皮确实是会跳的,而且常常跳得莫名其妙。下面我们就来看看眼皮跳怎么说。 1. My eye is

发表于:2019-02-09 / 阅读(85) / 评论(0) 分类 英语口语

发表于:2019-02-17 / 阅读(67) / 评论(0) 分类 财会英语

The hour hand on a clock moves about ten thousand times faster than the flowing rocks of the mantle. 钟面上时针的移动速度,比地幔岩石的流动速度,要快大约1万倍。 The movements occur not just laterally as the Earth's plates

发表于:2019-02-25 / 阅读(227) / 评论(0) 分类 万物简史
学英语单词
0-ary function
acrocephalosyndactylism
air cycle equipment
aleurocanthus mangiferae
all seals open
apparent anomaly
arbortech
automatic synchronizing set
aux send/return
barn spiders
Beckley gauge
Biharamulo
binding energies
cerium hydroxide
circuit breaker cylinder
clay kiln
closed loop program
comparative literature
controlling mind
counterproposing
covert
diabolised
differential voltage meter
dispenses
dorine
eightg-niner
En-Soph
eneolithic
episterno-precoxal
fast forward solenoid
final drive reduction
fissile nuclide
floating fixture systems
form roll
from the bottom of my heart
grade labeling
gripper-shuttle loom
Guthrie rest
hemiatonia apoplectica
hemicontinuous operator
I. J. O.
IIB (International Investment Bank)
initial length
internal spending multiplier
ionospheric probing
iralukast
jingjie
kalidium schumkianum bunge et sternb.
karson
Keplerian ellipse
Lecher wires
lose one's presence of mind
magnet bar code
major oil pollution incident
mat molding
meritless
metryperkinesis
motive seal
multivalent vaccine
nelson-atkins
Neptune Glacier
nonlinear effect of self-phase modulation
nonsyndromic
noses around
object of the right
optical frequency refractive index
optimal condition
overfocused
photoinductive
Phyllostachys parvifolia
pipe one's eye s
power forwards
pseudostoma
put the pedal to the metal
pyroxene gneiss
range of temperatures
rectifier
regular cut
resinated
S.N.
sales value
sausage formula
secondary classification
shadow price
ship radio silence
sigmund freuds
siscowet
slag tank
social animals
speed control governor
spike disintegrator
stablity
stockist
sulphur copper
system-analysis
Tharthār, Wādī ath
the benefit of the doubt
thnetopsychism
top feed baller
unipolar-bipolar conversion
wall-projected shelf
WRV