抗性基因频率

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(166) / 评论(0) 分类 VOA标准英语2015年(十二月)

What's the frequency kenneth is your benzedrine Uh huh I was braindead locked out numb not up to speed I thought I'd pegged you an idiot's dream Tunnelvision from the outsider's screen I never understood the frequency Uh huh You wore our expectations

发表于:2018-12-13 / 阅读(229) / 评论(0) 分类 Friends 老友记全10季英语插曲

Economics Report - A Closer Look at High-Frequency Trading 经济报道 - 近距离审视股票市场高频交易 This is the VOA Special English Economics Report. 这里是美国之音慢速英语经济报道。 Once, stocks were traded through the

发表于:2018-12-16 / 阅读(200) / 评论(0) 分类 2011年VOA慢速英语(十)月

The spokesman for the Lord's Resistance Army says Congolese forces and U.N. peacekeepers in Congo Kinshasa are preparing to move against the rebel group, which has yet to sign a peace deal to end a 20-year reign-of-terror in the region. VOA Correspo

发表于:2019-01-06 / 阅读(220) / 评论(0) 分类 VOA标准英语2008年(九月)

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. For years, scientists and physicians have been up in arms about the rise in antibiotic resistance. Seems that many bacteria, devious buggers that they ar

发表于:2019-01-08 / 阅读(173) / 评论(0) 分类 Scientific American(一)月

Robot Can Help With Farm Work 可以帮助农民干活的机器人 In the American state of Idaho, a robot moves between lines of fruit trees and grapevines. It is doing farm work. Called IdaBot, this robot is a prototype, or model. An engineering te

发表于:2019-01-12 / 阅读(489) / 评论(0) 分类 2016年VOA慢速英语(十一)月

Antibiotics Breed Drug Resistance in Pigs Pigs given low doses of antibiotics had more E. coli in their guts, and that bacteria showed an increased resistance to antibiotics, according to new research. The study confirms the routine practice of feedi

发表于:2019-01-13 / 阅读(156) / 评论(0) 分类 VOA标准英语2012年(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(199) / 评论(0) 分类 VOA标准英语2010年(五)月

University of Maryland scientists are working on a genetically-engineered fungus that would kill the malaria parasite. The battle against malaria continues to challenge doctors, scientists, and public health officials. Now, a team of British and Amer

发表于:2019-01-14 / 阅读(174) / 评论(0) 分类 VOA标准英语2011年(三月)

Kenya: Misuse of Antibiotics Leading to Resistance by Immune System NAIROBI In Kenya, the rise of drug resistant bacteria could reverse the gains made by medical science over diseases that were once treatable. Kenyans could be at risk of fatalities a

发表于:2019-01-14 / 阅读(178) / 评论(0) 分类 VOA标准英语2015年(一月)

High Frequency Traders Under Scrutiny 美司法部调查高频交易 The U. S. Justice Department is investigating the relationship between high frequency trading firms and major exchanges -- and regulators in Washington and the state of New York are

发表于:2019-01-14 / 阅读(205) / 评论(0) 分类 VOA标准英语2014年(四月)

As Assault On Mosul Looms, Resistance Grows And ISIS Grows More Brutal play pause stop mute unmute max volume 00:0003:43repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your

发表于:2019-01-17 / 阅读(168) / 评论(0) 分类 2016年NPR美国国家公共电台10月

Well, I was born with a rare visual condition called achromatopsia, which is total color blindness, 我出生在一个色彩极少的世界,世界只有明暗之分,这叫做全色盲 so I've never seen color, 所以我不知道什么是颜色, a

发表于:2019-01-18 / 阅读(159) / 评论(0) 分类 TED演讲国际问题篇

Artemisinin, also known as QingHaoSu in Chinese, was discovered by Chinese scientist Tu Youyou. She received the 2015 Nobel Prize for Physiology and Medicine for the drug's discovery by her team more than three decades ago. In her speech at the Karol

发表于:2019-01-19 / 阅读(225) / 评论(0) 分类 2015CRI中国国际广播电台

还记得孙燕姿那首红遍大江南北的《绿光》吗?翻越过前面山顶、层层白云,绿光在哪里?不知道有多少人跟小编一样,以为歌里的绿光只是对幸福的比喻。而其实在现实中,绿光是真实存在

发表于:2019-01-28 / 阅读(174) / 评论(0) 分类 实用英语

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(212) / 评论(0) 分类 科技之光

There are many ways to express the frequency of events. Here are just a few. 你可以用许多方式来表达事情发生的频率,以下仅为其中一些。 1. a few times 1.几次 2. all the time 2.总是 3. almost always 3.几乎总是 4. almo

发表于:2019-02-03 / 阅读(206) / 评论(0) 分类 实用英语

By David McAlary Washington 10 January 2007 One of the main weapons to prevent mother-to-child transmission of the AIDS virus during birth is the drug nevirapine. But when nevirapine is used alone just once, HIV starts becoming resistant to it. Rese

发表于:2019-02-04 / 阅读(186) / 评论(0) 分类 2007年VOA标准英语(一月)

爱的反抗力 Muse - Resistance Resistance Muse Is your secret safe tonight? And are we out of sight? Or will our world come tumbling down? Will they find our hiding place? Is this our last embrace? Or will the walls start caving in? (It could be w

发表于:2019-02-05 / 阅读(152) / 评论(0) 分类 好听的英文歌曲

视频在英语中常表示为: video frequency (V.F.); vision frequency; visual frequency; video 例句: 1. 谁说视频游戏不能被赋予教育意义? Who says video games aren't educational? 2. 选择面广而且视频质量高。 High qualit

发表于:2019-02-18 / 阅读(179) / 评论(0) 分类 英语口语
学英语单词
advacned fire
anatomy of language and literature
anesthetic leprosy
angle of anomaly
antimonial powder
apogonidaes
bacchia rosacea
bagpiper
balesse
Bamkeri
be a fool to sth.
bet one's bottom dollar
block circulant matrix
branch prediction buffer
call name
cardioarterial
catcht
catoptric test
cervera de la canada
chesterbed
cladrastiss
cold iron
colporting
common lime
control extension character
corundum-mullite ceramics
crater cone
dead centers
direct-cut attachment
e-dictionary
egg-crate spacer
elbowedness
electronic signatures
ethical dilemmas
etynodiol
exhibitions
file control mode
fique
gastric ulcers
genus philodendrons
glomerella lagenarium watanabe et tamura
guidance miss distance
heliotheist
high endothelial venule
high-temperature high-speed development
holantosine
hot box process
hypoallergenic
infrared modulator
interchangeable-bearing
jamilet
kemaliye (egin)
lady's-smock
laylight
literature review
lsurrnas
lunarias
mahlman
marsh marigold
mcgreevey
methane material / device
Micholitzia obcordata
mid-position contact
military academies
mine chamber
mooring dolphin
needle blight
nonpurchaser
olecranon spur
parametrial
pensile
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pillory
planetary wind
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protein-some
put on the scent
quilled
range of central transmission speeds
riano
round concrete bar
SARYRIDAE
selective control systems
self - guided tour
shower ... with
sieve texture
source of supply
tetrahexahedron
thickness line
time of performance
to worm
tree-ring dating
ulcinj
umbilical cable
underwhelmed
uniformity of product
unsettled position
ur-science
uytenbogaardtite
violantin
zero-point output