[电] 光化电效应

There are many people who say Thomas Edison single-handedly invented the twentieth century. Although there are those who may disagree, one thing cannot be denied: Edison was a genius, and his inventions greatly affected the development of modern soci

发表于:2018-12-07 / 阅读(215) / 评论(0) 分类 名人轶事

Electric Fish 发电鱼 One way that Harold Zakon and his team find fish to study is to put electrical detectors into the bottom of murky streams in Venezuela. This works because certain fish emit pulses of electricity. Discover electric fish -- on tod

发表于:2018-12-07 / 阅读(198) / 评论(0) 分类 (科普英语)Earth and Sky

Amid all the tradition and history of Katmandu, a profound change is in the air. In fact, it might literally clear the air, reducing the choking pollution which has blighted this congested valley. The streets of the capital are gradually being taken

发表于:2018-12-11 / 阅读(190) / 评论(0) 分类 万花筒2008年

By Nancy Steinbach Broadcast: November 19, 2003 This is Phoebe Zimmermann with the VOA Special English Health Report. When scientists want to test the effectiveness of a new drug, they usually divide

发表于:2018-12-15 / 阅读(184) / 评论(0) 分类 VOA2003(下)-环境与健康

Benjamin Frankin wondered about(at) lightning. He combined his curiosity with imagination and carried out his well-known experiment to show that lightning and an electric spark are the same thing. Cur

发表于:2018-12-30 / 阅读(345) / 评论(0) 分类 自考英语(一)78讲

Broadcast: April 14, 2003 By Cynthia Kirk VOICE ONE: Legal experts call it America's most important debate on affirmative action in twenty-five years. Colleges and universities say they have a right t

发表于:2019-01-02 / 阅读(220) / 评论(0) 分类 VOA2003(上)-社会广角

A ban on electric bicycles in New York City is hurting delivery workers who depend on them to earn a living. Many of the workers are immigrants. Electric bicycles, or e-bikes, have foot-powered pedals like other bicycles. But they also have electric-

发表于:2019-01-03 / 阅读(285) / 评论(0) 分类 2018年VOA慢速英语(二)月

US Restarts Restrictions on Iran The United States is taking action to pressure Iran over its nuclear program and activities across the Middle East. President Donald Trump announced economic sanctions against Iran Monday night. The measures went into

发表于:2019-01-03 / 阅读(157) / 评论(0) 分类 2018年VOA慢速英语(八)月

有些说明书较详细地介绍药品的药理作用(Pharmacological Actions)。其内容主要包括药理作用、临床药理(Clinical Parmacology)、体外试验(in vitro experiments)、药物代谢(Metabolism)、药效(Potenc

发表于:2019-01-08 / 阅读(260) / 评论(0) 分类 医学英语

今天我们要学的词是 automatic。Automatic 自动的。semi-automatic rifle 半自动步枪。If the Congress doesn't take action soon, automatic spending cuts will take effect on March 1st. 如果国会不马上采取行动的话,政府削减

发表于:2019-01-11 / 阅读(203) / 评论(0) 分类 英语单词荟萃

DAVID GREENE, HOST: A lot of the aluminum and steel we use here in the United States is imported from other countries. And that, according to a report from the Commerce Department, is a threat to national security. Last week, department officials rec

发表于:2019-01-16 / 阅读(197) / 评论(0) 分类 2018年NPR美国国家公共电台2月

Official figures from the Ministry of Transportation show emissions from car exhaust account for 31 percent of the country's total air pollution. In an effort to bring that figure down, the central government has been supporting a series of subsidies

发表于:2019-01-19 / 阅读(174) / 评论(0) 分类 2015CRI中国国际广播电台

Automakers are rolling out their new electric vehicles at the 2018 Beijing Motor Show, the motor industry's biggest sales event this year. Carmakers expect new growth in China's market despite the looming threat of a trade war between China and the U

发表于:2019-01-19 / 阅读(238) / 评论(0) 分类 2018CRI中国国际广播电台

BEIJING, Sept. 6 (Xinhuanet) -- Scientists from Tufts University of the U.S. have created the world's smallest electrical motor in a single molecule. The finding was published in the journal Nature Nanotechnology on Monday. In the research, scientist

发表于:2019-01-30 / 阅读(233) / 评论(0) 分类 英语新闻

In the United States, the fastest growing type of trash is e-waste: computers, TVs and other electronics. Because many e-waste components are toxic, many communities are striving to recycle them more responsibly. From Boulder, Colorado, Shelley Schl

发表于:2019-02-03 / 阅读(232) / 评论(0) 分类 VOA标准英语2008年(十二月)

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-05 / 阅读(183) / 评论(0) 分类 英语每日一词

今天我们要学的词是side effect。 Side effect, 副作用。一项最近民调显示,Most Americans want health reform but fear its potential side effects, 大多数美国人都希望看到医疗改革,但是又担心改革可能带来的副

发表于:2019-02-13 / 阅读(231) / 评论(0) 分类 英语单词荟萃

ROME, Sept. 22 (Xinhua) -- Milan have confirmed Alexandre Pato will be out of action for at least a month after suffering a thigh strain. The Brazilian hitman limped off during the opening stages of the 1-1 draw with Udinese last night. AC Milan anno

发表于:2019-02-18 / 阅读(251) / 评论(0) 分类 英语新闻

You all know about multitasking. 你们都知道多任务处理(multitasking)。 You all have been faulty of multitasking when you're driving and you pick up your cellphone. 一边开车一边拿起手机的多任务处理不是明智之举。 Bad id

发表于:2019-02-21 / 阅读(202) / 评论(0) 分类 TED演讲教育篇

According to statistics, more than 27-thousand electric vehicles have been sold in the 25 cities around China that are conducting electric vehicle trials. Among the vehicles, 23-thousand are serving the public service sector, but only four-thousand f

发表于:2019-02-21 / 阅读(227) / 评论(0) 分类 英闻天下
学英语单词
ac circuit
address complete
alpine permafrost
antonio
attenuating zone
bar-solder
beraprost
brake-shoe link pin
buttonologists
carbon monoxide allowable concentration
carrier phasor
chamber press
Collis Potter Huntington
compensating box
conjunctivodacryocystostomy
contract of record
corybantes
cosmecotogy
cosmin
crooked foot
decolorizing char(coal)
deep sounding machine
dental manikin
double distilled water
droit commun
dust-arrester installation
economic goods
eicosene dicarboxylic acid
electrodynamic stabilization
erade
farmbelt
fence posts
flagged down
flea-borne typhus
forest region
gage thickness
gagliardo
gallium(iii) nitrate
gear-driven supercharger
gehlenite
genital fossa
glucosyl transferase
grasshopper spring
health preserving with drugs
hennus
hibiscus moschatuss
Hizb ut-Tahrir
hour-to-hour
hydraulic efficiency jet propulsion system
idlers
image instrumentaion
income from source within the territory of China
incomplete syntax description
Integrated Database Management System
intraspecific struggle
Isabella II
Joe.
joint beneficiary
junction pipe
lacustrine
left splenic vein
ll-docosenoic acid
localisation principles
Mała Ina
mclouth
meaningful use
meat jelly
minerogenesis (metallogeny)
miniature integrating gyro (mig)
mopfs
Mornos
mosfet rf modeling
muscle-eye-brain disease
musculus pectoraliss
myelo-encephalic
non-silicate glass
octamerism
OSI service
Pedicularis pygmaea
plane strain
postfix expression
pot kiln
precessing track
radiogoniometers
recursive equation
remagens
remote recording seismograph
sackbutist
Sally Ann
service lap
special siding
spot meter
stoneygate
stuffies
to adhere to...
to dodge
toothed-wheel chopper
trimix
TSCV
vinyl perchloride soft varnish
WAAF
zoinks