抗菌物质

Dana joins us now live from Washington. So, Dana, you know, what is your take here? Is this typical political theater of someone's who's not going to be re-elected? Or is it a true sign of growing rage over the fact that we're spending money that we

发表于:2018-12-02 / 阅读(184) / 评论(0) 分类 CNN2010年(三)月

[0:0]strip structure studio脱光衣服,剥去 结构,构造 画室,摄影棚 [0:31.9039]stuff style submerge submit原料,材料 风格,文体,样式 潜入水中,淹没 屈服,听从 [1:16.6271]subsequent substance substantial substitute随后的,后来的 物质,实质,要旨 可观

发表于:2018-12-05 / 阅读(177) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

07 牙病的预防与治疗 DATE=2-27-01 TITLE=SCIENCE IN THE NEWS #2113 - (1)Dental Health BYLINE=Nancy Steinbach VOICE ONE: This is Sarah Long. VOICE TWO: And this is Bob Doughty with Science in the

发表于:2018-12-07 / 阅读(141) / 评论(0) 分类 科技之光

World Action Needed to Prevent Widespread Antibiotic Resistance Since the discovery of penicillin in 1928, we have used antibiotics against a host of infections. But now, doctors are finding that more and more bacteria are resistant to even the stron

发表于:2018-12-08 / 阅读(148) / 评论(0) 分类 VOA标准英语2015年(十二月)

By Carol Pearson Washington 28 February 2007 watch Antibiotic Resistance report Penicillin and Erythromycin are examples of antibiotics that used to be one-time miracle cures. These drugs and other antibiotics are now less effective because bacteria

发表于:2018-12-16 / 阅读(145) / 评论(0) 分类 2007年VOA标准英语(二月)

Lawsuit Filed to Stop Antibiotic Use in Healthy Livestock American health advocates have filed a lawsuit against the U.S. food regulatory agency to stop a practice they believe is contributing to the rise of antibiotic-resistant infections worldwide.

发表于:2018-12-16 / 阅读(210) / 评论(0) 分类 VOA标准英语2011年(六月)

[00:06.48]Lack of Vitamin A is the leading cause of blindness among children in deveoping countries. [00:14.55]These children do not get enough Vitamin A in the food they eat. [00:21.11]In Africa,more than 3,000,000 children suffer from blindness or

发表于:2018-12-26 / 阅读(179) / 评论(0) 分类 美国英语听力80篇

1. antagonist /nˈtgənɪst/ -- 1. one who is against or contends with another in a struggle, fight or contest; opponent; adversary; foe 2. main opponent of the principle character in a play, novel or story Japan was our antagonist in World War II. 日

发表于:2018-12-30 / 阅读(114) / 评论(0) 分类 突破英文词汇

SCIENCE IN THE NEWS - Food for Thought: How Vitamins (Once Spelled 'Vitamines') Are Important to HealthBy Nancy Steinbach Broadcast: Mon, 19 Jun 2006 16:00:00 UTC (MUSIC) VOICE ONE: This is SCIENCE IN

发表于:2019-01-02 / 阅读(118) / 评论(0) 分类 2006年慢速英语(六)月

61 不为人们重视的光污染 ENVIRONMENT REPORT - August 31, 2001: Light PollutionBy Mario Ritter (Start at 1'01

发表于:2019-01-02 / 阅读(200) / 评论(0) 分类 自然探索

By Ruth Reader Washington, DC 13 February 2008 There is growing concern around the world over illnesses caused by new antibiotic-resistant bacteria, or so-called superbugs, and the decreasing effectiveness of antibiotics to treat infections. Earlier

发表于:2019-01-07 / 阅读(154) / 评论(0) 分类 VOA常速英语2008年(二月)

What's the Matter? Now, the VOA Learning English program, Words and Their Stories. The English language has a number of hard-working words. People use these words in many different ways and in many different expressions. One such example is the word

发表于:2019-01-12 / 阅读(141) / 评论(0) 分类 2014年VOA慢速英语(十一)月

Vidushi Sinha | Washington, DC 18 May 2010 The World Health Organization calls antibiotic resistance one of the three greatest threats to human health. Experts fear antibiotic resistance puts humans in danger of becoming nearly defenseless against so

发表于:2019-01-13 / 阅读(180) / 评论(0) 分类 VOA标准英语2010年(五)月

Antibiotic Alternative Treats Urinary Infection in Mice Researchers have a new approach for treating urinary tract infections, a painful condition which can often be treated successfully with antibiotics. But many times, the infection is caused by st

发表于:2019-01-13 / 阅读(139) / 评论(0) 分类 VOA标准英语2011年(十一月)

A leading U.S. government health agency is focusing an annual campaign on educating patients, parents, and health care providers about the need to avoid the misuse of antibiotics. Inappropriate use of antibiotics can lead to superbugs that resist dru

发表于:2019-01-14 / 阅读(156) / 评论(0) 分类 VOA标准英语2010年(十一)月

> 79 如何提取骆驼奶制作乳酪 DATE=8-7-01 TITLE=AGRICULTURE REPORT - Cheese from Camels BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(185) / 评论(0) 分类 科技之光

81 一年轻妇女死于药品试验 DATE=8-11-01 TITLE=IN THE NEWS #493 - Testing of Drugs BYLINE=Nancy Steinbach (Start at 1'05

发表于:2019-01-30 / 阅读(172) / 评论(0) 分类 科技之光

21 只有部分椰菜可以预防癌症 DATE=3-15-01 TITLE=SCIENCE REPORT - New Broccoli Study BYLINE=George Grow (Start at 58

发表于:2019-01-30 / 阅读(150) / 评论(0) 分类 科技之光

Rosanne Skirble Before the discovery of antibiotics in the 1940s, millions of people died routinely of staphylococcus and streptococcus and more serious bacterial infections like meningitis, pneumonia

发表于:2019-01-31 / 阅读(487) / 评论(0) 分类 VOA2004(上)--国际时事

18 The Bounding Main 第十八章 浩瀚的海洋 Imagine trying to live in a world dominated by dihydrogen oxide, 请你想像一下,你能不能生活在一个由一氧化二氢主宰的世界里。 a compound that has no taste or smell and is so

发表于:2019-02-25 / 阅读(195) / 评论(0) 分类 万物简史
学英语单词
air-cooled generator
amyris oil
anatomicophysiology
atrophic endometrium
babychicken
bastinading
batting order
blow sth up
brake performance
branched ear
centers around
centrifugal lubrication
chicken rolls
clammying
cloud hosting
commercial colour television
Commissura alba anterior
consopiting
copy mask
curaao
denitration tower
dry bottom
dynamic ice detector
estops
fast idle cam
feeding-grounds
ferys
five-year
fredonia
gas welding work
give sb a level look
guilloux
heatpump
horizontal sync time
inconscious
induhviduals
jet assisted take off unit
khaph
kinectins
knive
Lactu ca sativa
levotofisopam
Linlithgowshire
Malek Dīn
marshlike
Matawin R.
mesodermal somite
microdesmid
mixed macrocommand
modulus of transverse elasticity
motor areas
Nagakute
negative resistance bridge
neogalactoalbumin
neuromyotonic
nuclear magnetic resonance computerized tomography
oar propelled boat
obligated balance
omom
optional registration service
ordeal
over-invest
pathologic tubercles
Peam Chileang
Perdiniaceae
polleticke
post-acceleration
postembryonic development
pot-luck
prickle
product personality
production of speech
progranid
Pseudamphistomun truncatum
reactive current compensator
sample sum
scarcest
SCC (supervisory computer control)
Seamens Leave Days
self finish
self-employed businesses
separate school
shot blast cabinet
small larynx
spotted lynxes
sprayed rubber
steam reheater
Syngnathidae
taxation at the source
tellarite test
Thomas Love Peacock
tiefseeton
transprejudice
tsunami wave
unextirpated
unlifted
vapor pressure bellows
ventilator duct
vulnerable group
with great speed
You play the piano beautifully
zygomere(sybenga 1966)