用效应

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(307) / 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(473) / 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(363) / 评论(0) 分类 VOA2003(上)-社会广角

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(245) / 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(391) / 评论(0) 分类 医学英语

今年7月,14岁的美国华裔少年刘继打破老虎伍兹的纪录,成为美国青少年高尔夫锦标赛史上最年轻的冠军,同时刷新老虎伍兹保持了19年的纪录。刘继出生在纽约州一个只有11万人口的小城市史

发表于:2019-01-09 / 阅读(333) / 评论(0) 分类 实用英语

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(344) / 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(301) / 评论(0) 分类 2018年NPR美国国家公共电台2月

The Effect of Advertisement 广告的效果 Some businessmen were talking about advertising on TV excitedly. As none of them had ever done it before, every one had his point of view. At this moment, Mr. Grey came by. He was a car dealer and he had on

发表于:2019-01-28 / 阅读(335) / 评论(0) 分类 英语小达人

60 测试新药安慰剂的疗效 DATE=6-21-01 TITLE=SCIENCE REPORT - Placebo Effect Study BYLINE=Nancy Steinbach (Start at 59

发表于:2019-01-30 / 阅读(347) / 评论(0) 分类 科技之光

今天我们要学的词是ripple effect。 Ripple effect, 连锁反应。 The shutdown of the local mine had ripple effects on the entire community, 当地这家煤矿的关门,在整个社区引起了连锁反应。 美国汽车业界人士警告说

发表于:2019-02-02 / 阅读(309) / 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:2019-02-05 / 阅读(312) / 评论(0) 分类 英语每日一词

As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In th

发表于:2019-02-06 / 阅读(308) / 评论(0) 分类 英语作文

Affect and effect are different in meaning, though frequently confused. Affect is chiefly used as a verb and its main meaning is to influence or make a difference to, as in the following example sentences: Affect一般用作动词,其含义为:影响

发表于:2019-02-07 / 阅读(391) / 评论(0) 分类 英文语法词汇

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(337) / 评论(0) 分类 英语单词荟萃

As the development of the society, people want to conquer the environment, they use the high technology to change the environment, when people are satisfied with what they did to the nature, the nature is starting to teach human being a lesson. In th

发表于:2019-02-13 / 阅读(275) / 评论(0) 分类 英语作文

VATICAN CITY, Feb.28 (Xinhua) -- The resignation of Pope Benedict XVI came into effect at 8 pm local time (1900 GMT) on Thursday, who had left the Vatican by helicopter for the papal vacation retreat in south Rome earlier in the afternoon. The pope h

发表于:2019-02-17 / 阅读(327) / 评论(0) 分类 英语新闻

BEIJING, Sept. 1 (Xinhua) -- Medicine prices at public clinics have been notably reduced thanks to a policy that promotes basic medicine, an office of the State Council said Thursday. Current price levels of basic medicine used by government-funded t

发表于:2019-02-18 / 阅读(280) / 评论(0) 分类 英语新闻

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(349) / 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(291) / 评论(0) 分类 TED演讲教育篇
学英语单词
1-Methyl-2-Pyrrolidone
Acrocomia
afzclin
airfuge ultracentrifuge
annual assay
arylmethane dyes
attrists
C-GMP
catharma
Chin-hua
cholestane
Chrysocoma
circuit closing relay
circulating water pipework
clerk of the work
closing of circuit
company cars
condition point
conductivity measuring bridge
copying ribbon
custodee
dark violet
deep stick
desorption tower
dicked
die mounting plate
Differential Signaling
direct gaseous reduction
double exposure lock
drift cancellation
elephant-hunting
emotion conflict
face equipment
fibrous quartz
first and second speed shift fork
fixed bed reaction equipment
follow - up survey
GCCS-A
Gift Parasite
gnn
group of locks
gubbio
headlike
helm signal
highwire walkers
hydromonoplane
identity code
if nothing else
iidas
Ircle
iridotomy
isohexylidene
Itonididae
jolling
kohlrausch vein
lalah
Majorana neutrion
material seal
metapoetry
molybdenum bar furnace
moving off
multi-particle
multi-region model
nisis
off-hand
paraffinhydrocarbon
permanent implant
photographic sound recording head
phthalimidyl
pipe flow
pithiatry
porostomatous
post-nuptial
prime bill of exchange
producest
professed
prophet's gourd
Psydrax
pulse-type airborne electromagnetic instrument
pulsed GTA welding
put ideas in sb.'s head
radiation cavity
radioastronomy observatory
real-time data storage facility
relink
retarder cement
roller inclination
saw the elephant
schadenfreuder
schwimmer
SCUI
sensitive price
shear cone
six-wire
spraining
stagger peaking
stand fair
thin film photoconductor
vertical fracture
village-like
wenlis
wood figurine