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(234) / 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(156) / 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(213) / 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(189) / 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(397) / 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(252) / 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(248) / 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(254) / 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(234) / 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(204) / 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(214) / 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(226) / 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(298) / 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(267) / 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(199) / 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(252) / 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(245) / 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(199) / 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(171) / 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(165) / 评论(0) 分类 实用英语
学英语单词
acetylferrocene
acousto-optic effect
action research
adrenergic nerve fibers
adsorption complex
antigalactics
Assorcebunder silk
auditory evoked potential
axilrod
bascule escapement
be hip to
Blaskovics operation
born
breast-high
Cala-Gen
Cationic Yellow X-6G
cement for dam
chip jewelry
chondrosternal
cintura
collapsible shelters
colonists
complaints
Confortid
copy-protections
coupure
crotchful
Cuilcagh
current drag
cyclonome
dash board
dioptric strength
discrepantly
diuturnity
equatorial spore-germination
eugenia dicranas
eumycetomas
exotic material
extent table
extra-hard steel
Falkland Fracture Zone(Malvinas Fracture Zone)
fennebresque
gasoline-electric car
goods packing
grassland roller drill
gray skates
high strength brass
hilliness
ikcnnikoside
in the mood
incomplete randomization
isoamyl-triethoxy-silicane
joint assets
kidnap and sell people
knockout auctuated stripper
line with lead
linear system of equations
manual-labor
marketabilities
marriage regulations
method of preliminary vegetative approachment
micrometering
modellist
Moire technique
mrfss
negative impulse
nonequilibrium statistical mechanics
normal vector cardiogram
Oahe, L.
on-peak power
origin distortion
palaeotropical floral zone
Parkerview
Pehuenches
plains type fold
pointwise convergence
power conditioning systems
pram park
Rasca, R.
reassimilation
reatus
red-sauce
reduction current
Rubus ellipticus
Saltdal
schnapps
sebiferic acid
semantic network
silver diethyl dithio carbamate
somatochirality
spheric projection
split-digger blade
streptococcus haemolyticus
stuttgart
subtractive colo(u)r filter
teachers union
textil
Towns.
tubercula septi narium
vapor expanded film
vechten
Xiphidium