雷射功率计

A: Whoa, I never saw a meter like this before; how do you use it? B: It's simple, once you do it a few times. Do you know how the old one worked? A: I never used a parking meter before. B: So we start out by deciding whether you will use cash or a cr

发表于:2018-11-30 / 阅读(250) / 评论(0) 分类 英语情景对话-大学生活

A: Excuse me, could you help me figure out how to use this new parking meter? B: Sure, it was confusing for me also. Have you ever used a regular meter? A: Yes, I understood the old one. B: Well, on this one you can use coins or a debit or credit car

发表于:2018-11-30 / 阅读(294) / 评论(0) 分类 英语情景对话-大学生活

By Parke Brewer For an athlete who had hoped to be a baseball player, Felix Sanchez is doing quite well. He had to turn to athletics after breaking his hand in an off-season wrestling match. The injur

发表于:2018-12-08 / 阅读(197) / 评论(0) 分类 VOA2004(下)--雅典奥运

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(171) / 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(163) / 评论(0) 分类 2013年VOA慢速英语(二)月

Olympic Power Couple Loyal to Two Nations By tradition, the Olympic decathlon champion assumes the title of the world's greatest athlete. Those are big shoes to fill. But this month, a 24-year-old from the U.S. state of Oregon installed himself as th

发表于:2018-12-16 / 阅读(149) / 评论(0) 分类 VOA标准英语2012年(六月)

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(154) / 评论(0) 分类 VOA标准英语2014年(二月)

第26期:Something Wrong with the Meter Y:What's the fare,please? Y:请问车费是多少呢? X:Twenty dollars and sixty cents. X:20.60美元。 Y:What?You're overcharging me! Y:什么?你一定多收我的钱了! X:No way.Look.That's what the mete

发表于:2018-12-26 / 阅读(188) / 评论(0) 分类 出国旅游口语一本通

1. barometer /bəˈrɔmitə/ -- instrument for measuring atmospheric pressure as an aid in determining probable weather changes When the barometer indicates a rapid drop in air pressure, it means a storm is coming. 气压计显示出气压快速下降时

发表于:2018-12-30 / 阅读(180) / 评论(0) 分类 突破英文词汇

Ouch! About a quarter of all school-age kids will break or otherwise damage a tooth. Adults have their share of cracked chompers too. But what if fixing a busted bicuspid was as easy as zapping it with a laser? Preliminary work with young rats has mo

发表于:2019-01-02 / 阅读(188) / 评论(0) 分类 英伦广角

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(177) / 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(248) / 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(228) / 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(195) / 评论(0) 分类 2012年VOA慢速英语(一)月

Bladeless Wind-Power Generator is Friendly to Birds 新型风力发电机避免误伤鸟类 Wind turbines are efficient sources of cheap energy but also a source of concern as their huge spinning blades frequently kill birds and bats. A new type of w

发表于:2019-01-14 / 阅读(159) / 评论(0) 分类 VOA标准英语2015年(六月)

英语新词:这些meter后缀单词 你理解对了么? anemometer n. 风力计,[气象] 风速计。 audiometer n. [耳鼻喉] 听度计,听力表;测听计;音响测定器。 barometer n. [气象] 气压计;晴雨表;显示变化的事物

发表于:2019-01-14 / 阅读(213) / 评论(0) 分类 英文语法词汇

[0:0]lable laboratory lad lag标签,标记 实验室 男孩,小伙子 落后,滞后 [1:9.3533]lamb landlord landscape lane羔羊,小羊 地主,房东,店主 风景,景色 小路,小巷 [1:52.8522]largely laser latter laughter大部分,主要地 激光器 后者的,末了的 笑,笑声 [2:36.6

发表于:2019-01-16 / 阅读(303) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

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(208) / 评论(0) 分类 VOA常速英语2007年(十一月)

Science and technology 科学技术 Solar power from space 太空太阳能 Beam it down, Scotty 老兄,传下来吧 Harvesting solar power in space, for use on Earth, comes a step closer to reality 在太空获取太阳能以供地球之用:梦想距

发表于:2019-02-16 / 阅读(190) / 评论(0) 分类 经济学人科技系列

A: Excuse me, could you help me figure out how to use this new parking meter? B: Sure, it was confusing for me also. Have you ever used a regular meter? A: Yes, I understood the old one. B: Well, on this one you can use coins or a debit or credit car

发表于:2019-02-27 / 阅读(228) / 评论(0) 分类 大学生活-College Life
学英语单词
absorption of substance
account stated
administrative advice
akhunds
alphanumeric field descriptor
amphoteric solvent
anti-foamer
ar rustaq
atmospheric pellet
autotech
Belogor'ye
Carter Family
Chappell Is.
charger ratio
clito
combat camera
contextualism
crypto-fascistic
customs organization
day's run
deferred rebate
deterministic context free language
determinizing
dihydromurexine
donkey derbies
Drenison
electrochemical reflection spectrum
employee benefit trust
end to end service
external merge
faurot
fines work-up
fingerbowls
Fubo
gain bandwidth factor
garlickiness
gaudless
grossulin
Haemaphysalis verticalis
heat exchanger leak detection probe
Hedyotis tenuipes
inverting enzyme
jacking delivery motion
Kouentou
Las Camas
linearity checker
manufacturing record control
marten cats
meili
method of yield regulation
mid-town
music deafness
mythogenesis
naming
Nathaliella
nongenital
normal gas solution
notice to suspend payment
OASP
on-cost
out-of-balance load
Oxyria
pay lip lipservice to
perfect k-ary tree
pericenters
photosynthesized
piston to head clearance
predisposing
prefect
protozoal disease
Proxy Committee
puntastic
quasi-interdicted person
quick-buck
Rat Indian
relaxed and happy
reserve currency creditor
rosennes
sedimentationtub
sensorial
Septuagint
shake sb.'s hand
sheesh kebab
sherms
single threaded screw
stalled descent
steel-wood furniture
stir up bad blood between persons
strait port
surrender value in cost
sweepforward
tax paid in kind
thallium diiodide
trappean
twatbags
unix gurus
vanishing act
variable-range hopping
Villemontel
war-house
Wesco pump