音标:[ˌsistəˈmætik iˈfekt] ;
[医]系统性效应

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(179) / 评论(0) 分类 VOA2003(下)-环境与健康

Providing emergency contraception before it's needed does not affect unwanted pregnancy rate Philip Graitcer | Atlanta, Georgia 22 March 2010 Family planning experts wondered if having emergency contraceptives on hand would prevent unwanted pregnanci

发表于:2018-12-16 / 阅读(121) / 评论(0) 分类 VOA标准英语2010年(三月)

台湾籍旅美老师今天交给我们的句子是: Unfortunately, there's one group of people who get almost no systematic feedback to help them do their jobs better. 不幸的是,有一群家伙,从来没有得到过系统化的反馈,以此

发表于:2018-12-25 / 阅读(183) / 评论(0) 分类 留美老师带你每日说英文

His health condition is bound to effect his work. 他的病况一定会影响他的工作。 be bound to指一定,必定,免不了。又如: His laziness is bound to result in his failure. 他的懒惰注定导致他的失败。

发表于:2018-12-25 / 阅读(156) / 评论(0) 分类 蒋健棠英语实用句子

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(336) / 评论(0) 分类 自考英语(一)78讲

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(201) / 评论(0) 分类 实用英语

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(194) / 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(207) / 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(181) / 评论(0) 分类 英语每日一词

Sample topic: Me and My Dragon. The informal essay is written mainly for enjoyment. This is not to say that it cannot be informative or persuasive; however, it is less a formal statement than a relaxed expression of opinion, observation, humour or pl

发表于:2019-02-02 / 阅读(163) / 评论(0) 分类 实用英语

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(182) / 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(180) / 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(250) / 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(229) / 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(172) / 评论(0) 分类 英语作文

BEIJING, Feb. 20 (Xinhua) -- China's banking industry regulator said Monday that preventing systematic financial risks has become a top priority as the global financial crisis enters a more complicated phase. The country will work to defuse local gov

发表于:2019-02-13 / 阅读(216) / 评论(0) 分类 英语新闻

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(197) / 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(163) / 评论(0) 分类 英语新闻

Some of us feel well-rested after a solid eight hours of sleep. For others, closer to nine feels best. For others still, a little less will do. How much sleep we prefer to get is highly subjective -- but how much sleep we need is a bit more concrete.

发表于:2019-02-18 / 阅读(141) / 评论(0) 分类 英语新闻

An aid to systematic study,which has proved of value in American colleges and universities is the system called SQ3R 。The SQ3R stands for: Survey Question Reading Recitation Revision 1)Survey 。In brief,this means that instead of picking u

发表于:2019-02-19 / 阅读(125) / 评论(0) 分类 实用英语
学英语单词
accuracy of position
acetylation flask
age cohort
alarm distribution box
authorized ceiling
bandlimited signal
bend one's ear
cancer-free
capital of Texas
channel flow air-cushion
chief operating officer
Chinese white
Clostridium perfringens
coal-sand dual media filter
cocoalike
constant failure-rate
coordination zones
cornchandler
cut off slide
deliberateth
dineries
diprosopic monstrosity
disapproved
Dmld
electron radiography
equipollently
European white poplar
fanlight opening gear
fast compression cloud chamber
fatty acid sulfate
ferri-alluaudite (tecticite)
gas-cooled machine
grease-heel
Grewia angustisepala
Grundyist
Guayquiraró, R.
hand-made carpet
have fifty things to do
hold off rectifier
horikawa's brown bat
hypovascularity
index of inventor and patentee
inferior rectus muscles
inverse emulsification
ivory gull
Kuybyshevo
latex-albumen
Lau R.
Lestock
letter carriers
light and dark accommodometer
long drinks
mandy's
mathematical stability theory
membrane surface
meticonaxius soelae
morencite
nonclinicians
notopterale
nuclei lentiformis
on false pretences
on one's best behavior
one-horse performance
Ozhogino
PANS-610
pirsigs
pneumologies
posed as
pre-messenger RNA
process method of cost finding
purpura simplex
rated capacity adjustable range
recto-vesical pouch
scatter rugs
script knowledge representation
selenodont
shield groove
Sindoscopus
sister nucleus
sketch-a-saurous rex
smoke detector
space debris
Splachnaceae
stadia telescope
suction gradient
symmetric
syndrome of antibody deficiency
time resolution constant
time-stratigraphy
trend variation
underbarring
unfortunatess
unit type press
unprejudicate
vacancy tracer exchange
Vasoflo
verification of concurrent program
water study
wilsome
Zeiformes
zero-offset
Zhanggong