阴极发射率

A: I'm Avi Arditti with Rosanne Skirble, and this week on WORDMASTER: our guest is linguist Geoff Nunberg. He's been listening to how Americans debate issues, and there's a particular word he often finds they invoke: sensitivities. GEOFF NUNBERG: It'

发表于:2018-12-04 / 阅读(182) / 评论(0) 分类 词汇大师(Wordmaster)

STEVE EMBER: Im Steve Ember. SHIRLEY GRIFFITH: And Im Shirley Griffith with EXPLORATIONS in VOA Special English. Today we tell about Hoover Dam. It was the largest and most difficult structure of its kind ever built when work started in nineteen thir

发表于:2018-12-07 / 阅读(176) / 评论(0) 分类 2010年VOA慢速英语(十)月

At 75, Seminal US Composer Still Inspires American composer Steve Reich turned 75 this year. The so-called minimalist credits jazz, African drumming and Balinese gamelan as inspirations. His music - from experimental tape loops to the Pulitzer prize-

发表于:2018-12-16 / 阅读(199) / 评论(0) 分类 VOA标准英语2011年(十一月)

Grammar Girl here. Today's topic is semicolons. I get questions about semicolons a lot, so it's time to clear up some confusion. Semicolons separate things. Most commonly, they separate two main clauses that are closely related to each other but that

发表于:2019-01-02 / 阅读(174) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. In honor of the increased show production schedule, today's topic is biweekly versus semiweekly. How to Remember the Definitions of Bi- and Semi- The prefixes bi- and semi- are different. Bi- means two and semi- means half. You can

发表于:2019-01-02 / 阅读(157) / 评论(0) 分类 英语语法 Grammar Girl

Grammar Girl here. Surprise! You get a bonus show today because Thursday is National Punctuation Day and I'm going to have a slightly different kind of podcast to celebrate. Today's topic is semicolons. I get a lot of questions about semicolons, so i

发表于:2019-01-02 / 阅读(179) / 评论(0) 分类 英语语法 Grammar Girl

This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Batteries of the future need to deliver more energy, and they need to be smaller. Researchers at MIT think they have developed a technology that can, a

发表于:2019-01-08 / 阅读(222) / 评论(0) 分类 Scientific American(四)月

注释: Defense Secretary 国防部长 sovereignty [5sCvrinti] n. 主权 Iraqi [i5rB:ki] adj. 伊拉克的 casualty [5kAVjuElti] n. 伤亡 thug [WQ^] n. 暴徒 assassin [E5sAsin] n. 暗杀者,刺客

发表于:2019-01-11 / 阅读(168) / 评论(0) 分类 VOA2004(上)--各类新闻

By Gilbert da Costa Abuja 18 August 2006 Nigerians living in Bakassi peninsula say they are worried about their personal safety following the deployment of more Cameroonian soldiers to the area in the last few days. The Nigerian security agency may

发表于:2019-01-13 / 阅读(250) / 评论(0) 分类 2006年VOA标准英语(八月)

By Gilbert da Costa Abuja 23 June 2006 Preparations are under way for transfer of the oil-rich Bakassi Peninsula from Nigeria to Cameroon. Initial outrage over the decision seems to have died down, and residents are agreeing to be resettled in Niger

发表于:2019-01-13 / 阅读(228) / 评论(0) 分类 2006年VOA标准英语(六月)

Radio Essays Explore Technological Creativity There are mechanisms in nature as well as in human endeavors like engineering and art. Since 1988, the creative manipulation of these mechanisms has been explored in short radio essays about the history o

发表于:2019-01-14 / 阅读(143) / 评论(0) 分类 VOA标准英语2011年(十月)

The U.N. Security Council on Monday condemned North Korea's most recent missile launches as violations of council resolutions, and demanded that Pyongyang comply fully with its international obligations. The Council President for the month of July,

发表于:2019-01-14 / 阅读(124) / 评论(0) 分类 VOA标准英语2009年(七月)

今天我们要学的词是reminder。 Reminder, 提醒、提示。 I received a flu shot reminder from my doctor's office, 我收到医生诊所的通知,提醒我去打流感预防针。 The newly released data is a reminder that the recovery of

发表于:2019-01-16 / 阅读(205) / 评论(0) 分类 英语每日一词

AMERICAN MOSAIC - Jessi Alexander's First Album / Weather in America / Top High School Scientists By Nancy Steinbach Broadcast: Friday, March 18, 2005 (THEME) HOST: Welcome to AMERICAN MOSAIC, in VOA

发表于:2019-01-30 / 阅读(287) / 评论(0) 分类 American Mosaic

By Gilbert da Costa Abuja 07 August 2006 Hundreds of residents of Nigeria's disputed Bakassi peninsula have held an independence ceremony to highlight opposition to the government's plan to hand over the oil-rich region to Cameroon. -------- A group

发表于:2019-01-31 / 阅读(259) / 评论(0) 分类 2006年VOA标准英语(八月)

今天我们要学的词是reminder。 Reminder, 提醒、提示。 I received a flu shot reminder from my doctor's office, 我收到医生诊所的通知,提醒我去打流感预防针。 The newly released data is a reminder that the recovery of

发表于:2019-02-03 / 阅读(145) / 评论(0) 分类 英语单词荟萃

Improving Productivity by Improving Lighting We all know that our surroundings affect our ability to get work done, from that irritating buzzing from the next cubicle over to the uncomfortable chair causing our back pain. But what about lighting? Has

发表于:2019-02-04 / 阅读(214) / 评论(0) 分类 阅读空间

The Productivity Tricks and Daily Habits of Famous People Famous visionaries often develop a reputation for having a few eccentricities. However, for many people, these small eccentricities are part of a larger group of daily rituals that help them t

发表于:2019-02-04 / 阅读(190) / 评论(0) 分类 阅读空间

Natalie Jeremijenko的不寻常的研究室将艺术用于实践,处理环境问题,通过将工程知识同社会大众艺术以及一些志愿者们相连接。这些现实生活中的艺术实践包括:遛蝌蚪,给鱼发短信,建立消防

发表于:2019-02-05 / 阅读(315) / 评论(0) 分类 TED公开课:艺术与幻觉

Whakao loonal Kidei downni wha dei evi nayet Er gorlay wally wally ay Moe dei woonoah Tar dei arh tzoo waah Yee har naah Gorli goo gorli goo Dei gar lee whaka woo gar Dei hoa kaar Wo dei arh tsee whoa Arh tsee whoa Dei bi yee naah Koi lar Koi lar dei

发表于:2019-02-17 / 阅读(236) / 评论(0) 分类 音乐咖啡厅
学英语单词
accommodation reflexes
actual declaractor
Aeschynanthus bracteatus
after-treatment with coppersulfate
alastrimic
Ali shuffle
alpha phase
alpha-radioactive nucleus
alpha-rays
American legal profession
Amesiella
anchorage prohibited area
angle of obliguity
answer-only modem
anthrolinguistics
arch bridges
areas of high temperature and rainfall
augustuluss
back-to-back diode
bank of cut
bet the farm
Big Bass
Borisoglebskaya Vozvyshennost'
chilomastixiasis mesnili
closure of horizon
continuous projection by single machine
dazoxiben
Dedesdorf
dielectric displacement
dovgiasite
Duchenne-Aran disease
dynamic inscribing
experimental thermochemistry
externally applied forces
FCST
gang record
gate to pin ratio
greenwich mean time (gmt)
guha
handsome
heat-waves
heisenberg matrix mechanics
Illminster
indispensable enzyme
initial time value
inverse code
Isobamate
kinloch hourn
magdonit
management overhead
Mariga
Marine freight
mental midget
metal fabrication
micromachine
microrhythm
minatorial
minimum constructive height
minimum support tree
monochloride
mulagenize
multiwheeler
nodular graphite pig iron
normal working time
offshore engineering activity
open centrifugal pump
other perils
owning
people's democratic system
pericysto-pneumography
Potentilla atrosanguinea
preoccupied
prescutal suture
prospective
pure export subsidies
radiative half-life
rosenior
rubber cheque
school-fees
Schuppenhauer
semi micelle
semidiameter correction
sheppend
shout sb. down
smart token
streyghte
sulfohemoglobins
supplemental estimate
terms_of
tha uthen (mueang tha uthen)
took command
torsion balancer
train-loads
triplex reciprocal
turbulent movement
under-devil
uricaciduria
vaginal sponge
ventilation exhaust ine
war-worn
Wattenbek
whupping