音标:[ˈleizə kəʊˈhɪərəns] ;
激光相干性

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(113) / 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(97) / 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(82) / 评论(0) 分类 VOA标准英语2014年(二月)

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

概述: Module format IELTS Academic Writing lasts a total of 60 minutes. It consists of 2 tasks (Writing Task 1 and Writing Task 2) and candidates must answer BOTH tasks. Answer format Candidates write their answers in pen or pencil on Answer Shee

发表于:2019-01-08 / 阅读(150) / 评论(0) 分类 雅思英语

Fate of the EU 欧盟的命运 The European Union is not on its knees, said Jean-Claude Juncker, Prime Minister of Luxembourg and President of the European Council at the recent summit in Washington.

发表于:2019-01-11 / 阅读(139) / 评论(0) 分类 VOA2005(下)--国政军事聚焦

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(154) / 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(123) / 评论(0) 分类 2012年VOA慢速英语(一)月

托福阅读考试中许多考生认为阅读文章时必须要读懂每字每句,事实上(in fact),这是不必要的。新托福阅读考试中,即使遇到陌生的词,但是根据上下文的意思以及自己的一些常识判断(judge),

发表于:2019-01-18 / 阅读(75) / 评论(0) 分类 托福英语

雅思口语往往是听说读写四项中让学生难以突破的一项,通过短期的突击和训练并不是很容易实现口语成绩的大幅度提高。通过长期的观察和教学经验的积累,我们发现很多长期在五分与六分

发表于:2019-01-18 / 阅读(104) / 评论(0) 分类 雅思英语

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(132) / 评论(0) 分类 VOA常速英语2007年(十一月)

写好英文作文的方法

发表于:2019-02-01 / 阅读(66) / 评论(0) 分类 英文语法词汇

8462 谢振礼雅思范文:垃圾社会 IELTS Essay: The Throw-away Society 20121206 Online Lab. Jeenn Lee Hsieh ielts360toefl@hotmail.com 雅思真题 IELTS Writing Task 2: 1 类似真题Nowadays people always throw old things away and buy news th

发表于:2019-02-09 / 阅读(133) / 评论(0) 分类 雅思英语

When I come to his connection with Blanche Stroeve I am exasperated by the fragmentariness of the facts at my disposal. 当我开始叙述他同勃朗什施特略夫的关系时,我也深为自己掌握材料不足所苦。 To give my story coheren

发表于:2019-02-13 / 阅读(100) / 评论(0) 分类 月亮和六便士

Agreement: 主语和谓语在人称、数上的一致,关系代词与先行词的一致。 Ambiguity: 尽量不去使用可能引起歧义的词语或句子。 Brief: 文章简为贵,要抓住要点,简明扼要。 Coherence: 文理通顺,前后

发表于:2019-02-19 / 阅读(129) / 评论(0) 分类 雅思英语

Think Before You Write. 写作考试:想好才写。 ielts360toefl@hotmail.com 隐形模板: 仔细看了试题之后,你当然要立刻思考如何回答。理当采用英文思考,办不到则兼用中文助阵。读者(考官)不必知道

发表于:2019-02-20 / 阅读(75) / 评论(0) 分类 雅思英语

托福阅读考试中许多考生认为阅读文章时必须要读懂每字每句,事实上(in fact),这是不必要的。托福阅读考试中,即使遇到陌生的词,但是根据上下文的意思以及自己的一些常识判断(judge),也

发表于:2019-03-04 / 阅读(133) / 评论(0) 分类 托福英语

许多烤鸭在雅思口语考试时面对考官时,不是一开口就会说错就是没有任何的亮点。中国的烤鸭在口语和作文上一直在全球都处于比较劣势的水平。如何才能摆脱哑巴英语呢? 不知道用英语怎

发表于:2019-03-04 / 阅读(134) / 评论(0) 分类 雅思英语

第一篇作文(无论是书信或图表)评分标准由四个方面组成。第一个是Task Achievement(任务完成),第二个是Coherence and Cohesion(内容连贯与篇章衔接),第三个是 Lexical Resource(词汇资源),第四个是 Gra

发表于:2019-03-13 / 阅读(176) / 评论(0) 分类 雅思英语
学英语单词
-grel
aden-
Agapetes ciliata
anti-twilight
antimony cake
asbestoslike
attribute measurement
baliga asakurae
ballistic work
bend her elbow
boazman
bonneted
caenorhabditis elegans
can capping machine
chelys
cherry willingham
Cinnamomum tsoi
clipped speech
clitic
cognising
commercial expense account
Common Celtic
common marker circuit
contingent cost
cosmic-ray equator
cupricchloramine
customs check
decimal feature instruction
deep pay
devils-on-horseback
diisocyanate resin
distillator
distortion transformer
diurnal cooling
dna-sequencing
equity rate
erythrocyte life span
Espita
evangelicly
exclusive license contract
fatigue strain gauge
Faure I.
fill-ups
floating drift tube klystron
frame harp
greenisland
Guton, Gora
hamburg chicken
Hoeleden
hoepfner
in the bed
incipient fire
induced iterative method
interference modulation
internet server extensions
jacquard bottom board
joinerwork
K. S.
KHFV
leopoldite (sylvite)
levelled at
malea
Marie Louise I.
microfilm cartridge
minority shareholder controller
mitogenesis
neurofibroma of lung
New River
nifurthiazole
non-US price
nonsessile
operational research team
Paasloo
Pandoran
percloses
polygenic disease
potential regulation
progenitrices
qutub
refrozen
relaxation resonance frequency
resource class
saddle coil
separation centre
Severomorsk
signal(l)ing channel
simultaneous peripheral operations on line
skeptics
sourberry
staight edge
substars
superficialise
symbol(in the instruction handbook)
take liberty
tantulocarid
Temyasovo
throat swab
tranking
variable camber gear
well-earneds
wire knot tightener