重复频率激光器

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(123) / 评论(0) 分类 VOA常速英语2008年(四月)

Part One听辨练习 A. Listen to these exchanges, paying particular attention to the intonation of the question word. Then circle the correct response, a or b . 1. There was a big explosion in Texas.

发表于:2018-12-10 / 阅读(580) / 评论(0) 分类 4+1听力口语MP3

What's the frequency kenneth is your benzedrine Uh huh I was braindead locked out numb not up to speed I thought I'd pegged you an idiot's dream Tunnelvision from the outsider's screen I never understood the frequency Uh huh You wore our expectations

发表于:2018-12-13 / 阅读(170) / 评论(0) 分类 Friends 老友记全10季英语插曲

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(105) / 评论(0) 分类 2013年VOA慢速英语(二)月

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

发表于:2018-12-16 / 阅读(151) / 评论(0) 分类 2011年VOA慢速英语(十)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(90) / 评论(0) 分类 VOA标准英语2014年(二月)

[0:0]remedy remote补救方法 遥远的 [0:53.7494]removal render renew rent除去,消除 使得,致使 重新开始 租用,出租 [1:31.7509]repetition replace represent representative重复,反复 代替,取代 表示,象征 代表,代理人 [2:28.3810]reproduce republican reput

发表于:2018-12-17 / 阅读(141) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

重复 Repetition 要求重复 Asking for repetition What? Sorry? Pardon? Beg pardon? Whats the exact you said? Im sorry. Pardon me? I beg your pardon? Come again please Say that again please What is it exactly , again please? Please say it once more. Wou

发表于:2018-12-26 / 阅读(104) / 评论(0) 分类 交流方式的多种表达

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(118) / 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(183) / 评论(0) 分类 2005年NPR美国国家公共电台

托福口语语速对得分有何影响? 托福口语的评分重要的标准是 intelligible/clear (清晰),语 速太快 rater(考官)就听不懂,当然语速太慢,有太多的repetition(重复)和 hesitation(犹豫)会影响流畅性,所

发表于:2019-01-08 / 阅读(115) / 评论(0) 分类 托福英语

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(168) / 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(137) / 评论(0) 分类 2012年VOA慢速英语(一)月

High Frequency Traders Under Scrutiny 美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are

发表于:2019-01-14 / 阅读(151) / 评论(0) 分类 VOA标准英语2014年(四月)

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(139) / 评论(0) 分类 VOA常速英语2007年(十一月)

1. Goodnight Moon 《晚安,月亮》 Goodnight Moon doesnt really have much of a story. The book is just a description of certain things like kittens, a mouse and a quiet old lady. There are also mittens, a toy house and even a cow. The author int

发表于:2019-02-01 / 阅读(95) / 评论(0) 分类 实用英语

There are many ways to express the frequency of events. Here are just a few. 你可以用许多方式来表达事情发生的频率,以下仅为其中一些。 1. a few times 1.几次 2. all the time 2.总是 3. almost always 3.几乎总是 4. almo

发表于:2019-02-03 / 阅读(161) / 评论(0) 分类 实用英语

The following phrases are used to participate in a meeting. These phrases are useful for expressing your ideas and giving input to a meeting. Getting the Chairperson's Attention 引起会议主席的注意 (Mister/Madam) chairman. May I have a word?

发表于:2019-02-13 / 阅读(109) / 评论(0) 分类 实用英语

Repetition Doesnt Work: Better Ways to Train Your Memory 比重复更有效的记忆方法 A team of scientists recently discovered that repetition is a terrible way to memorize informationand their findings highlight much better strategies. 一组科学

发表于:2019-02-17 / 阅读(106) / 评论(0) 分类 阅读空间

George Ⅲ asked the once wellknown wit, Horne Tooke,whether he could play cards. Your Majesty, replied Tooke, I am a mere childwhere cards are concerned. I cannot even tell a King from aKnave. 乔治三世问一度大名鼎鼎的才子霍恩

发表于:2019-02-17 / 阅读(104) / 评论(0) 分类 趣味英语
学英语单词
-rii
abdominal actinomycosis
account statements
acitemate
albuminoid spheres
andrenidaes
ankoline
anthraquinone acridone
automatic arc welding
AWSR
B12TAM
bank deposit certificate
be certain to
Brooke Raj
brookhouse
brundisiums
BTGT
by sounding
capacitance-resistance
chuck steaks
Clementines
clock jump
combined decoration
corleys
cost estimating
course indicating beacon
dead-ends
defect amplification model
dikaryote
diphaein
double-catenary construction
elasto-plastic range
electronic diesel control
encephalosis
euro zone
external conjugate
fetishists
fluid outlet angle
french-fried potatoess
frequency synchronisation
fried fish soft
gum up something
harav
heat resistance of the scale
hepatic lobule
hostbridge
hubbuboo
incompassionate
infrared-excess object
initial property
intercontinental subduction
Kokanee Gl.
lathyran
lavroffite (lavrovite)
leffingwell
level prism
lexingtons
lime method
loungiest
low-sodium food
medal play
Meddo
median rhomboid slossitis
meridional contour
meter board
metolazone
middle of chain
Miki-zaki
motion angle for re-turn travel
myeloid tissue
Nest Labs
nonabsorbable
orbicular ligaments
over-young
paper supporting shaft
pectoral fremitus
peire
pentagyna
post-plot
pre-genres
ring-type fan
salmoite
sasajiscymnus seboshii
separately-leaded cable
shilov
situlas
steel frame structure
stettners
teensy weensy
the little corporal
theory of nonlinear oscillations
topologically identical model
torsional warping
trade facilitation document
tregetour (france)
trestleworks
uncalked
uneffeminated
van der Waals absorption
vanadyl(iv) bromide
wait until
yellowbird