[机] 防腐效应

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(322) / 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(485) / 评论(0) 分类 自考英语(一)78讲

Antibiotic or antiseptic drops are the best approach to treating swimmer's ear, according to a new research review. And while oral antibiotics are often prescribed along with ear drops to treat swimmer's ear, this is not necessary, the reviewers say.

发表于:2019-01-07 / 阅读(321) / 评论(0) 分类 英语新闻

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(351) / 评论(0) 分类 实用英语

Study: Cleaning Umbilical Cord Saves Lives Simple use of an inexpensive disinfectant could save hundreds of thousands of newborn lives each year. That's the conclusion of recent studies from South Asia. The umbilical cord is usually cut right after b

发表于:2019-01-14 / 阅读(449) / 评论(0) 分类 VOA标准英语2012年(二月)

Accident 1: A cut hand 事故1:手部割伤 A: Your hand is bleeding. What have you done to it? A:你的手在流血。你做什么了? B: I cut it on that blade. B:我让刀刃割了。 A: I'll get the first aid box. There's some antiseptic cream

发表于:2019-01-14 / 阅读(340) / 评论(0) 分类 职业技术英语口语

ROBERT SIEGEL, HOST: Lindsey Fitzharris' new book is called The Butchering Art. It is not about carving meat for cooking. It's about surgery the way it used to be done. And it's about one surgeon in particular who changed the way it was done - Joseph

发表于:2019-01-16 / 阅读(282) / 评论(0) 分类 2017年NPR美国国家公共电台10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(355) / 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(360) / 评论(0) 分类 科技之光

发表于:2019-02-01 / 阅读(264) / 评论(0) 分类 英文语法词汇

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(324) / 评论(0) 分类 英语每日一词

一个句子中难免出现一两个生字。在这种情况下,不必马上查字典,只要根据上下文的关系,就可能猜测生字的意思了。 下面这些例子,值得大家参考: ⒈利用括号内的解释,如: ① The po

发表于:2019-02-05 / 阅读(339) / 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:2019-02-05 / 阅读(326) / 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(328) / 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(408) / 评论(0) 分类 英文语法词汇

Food Poisoning (1) Dialog one: commis: How do microbes (bacteria) get in food (2) ? chef: Mostly from your hands (3) . commis: I should always wash them. chef: Yes. Everything in the kitchen should be sanitized (4) . commis: Right, Ill use an antisep

发表于:2019-02-11 / 阅读(340) / 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(354) / 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(290) / 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(344) / 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(302) / 评论(0) 分类 英语新闻
学英语单词
acid corrosion
aerophenology
aftercoming head
alien race
Alloeocoela
anti tr. switch
antiparasitin
apparent quality factor
autopia
bottom clack
bourbon creams
Boyner
branch of legisature
brooking institution
bugged
canvased light van
carbonyl iron
cohesion height
complex function
constant current welding machine
continuous indexing
cross-haul traffic
customary model
cutting residue recovery equipment
cyclical pattern
descarga
divisional plane
electronic document system
emery sand
empty receptacle
Faserblende
flat hand
Fruška Gora
Furancungo
grammographus arcuata
grazing management
have it all over someone
Hemsleya panlongqi
high-affinity
ingerminates
known substance
licence for use
liebeslieder waltz
lotus corniculatus L.
loudspeaking telephone
malshrag
massive necrosis
maximum shut height of die
mechanization of tunnelling
membrana
metaphorics
microcal
mirtha
Montalbano Elicona
Mpetu
Murlidhar
mushroom-type tunneling method
necrotic rhinitis
nonprimordial
nonrefracting
NUBALTWOOD
Ocholt
offshore appraisal well
open-circuit photovoltage
opening speeches
original investigation
orthetrum pruinosum neglectum
pack-horse
Palangkaraya
particular over
phase-to-phase arrester
Philippeville
polycambial
ponzu
pre-annealeds
program storage unit
protoJupiter
raypath modeling
recession chic
resorcinol resin
Saale
salter-harris
solorina simensis
speed recorder
spring-loaded valve
strict formula
structural genomicss
suprasternal plane
switchlike
tent camp
thinnet
thoracic stomach
transpacific
uncomposed
unconscious of
unmuscular
vehicle maintainability
Vibrio andoi
vimin
whistlingly
woldenberg
zoogoers