滑动摩擦阻力

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(222) / 评论(0) 分类 VOA标准英语2015年(十二月)

China's top education authorities said all elementary and middle school history textbooks will be revised to state that the War of Resistance against Japanese Aggression lasted for 14 years beginning September 18, 1931. 中国最高教育机构日前表

发表于:2018-12-18 / 阅读(167) / 评论(0) 分类 英语新闻

28 Fred Smith Fred Smith: Most of the time, the biggest 1)risk that an 2)entrepeneur has to face, in my mind, is 3)internal. They have to decide that this is the thing that they want to do with their time and their life more than any other thing, be

发表于:2019-01-01 / 阅读(318) / 评论(0) 分类 名人名篇

AMERICAN STORIES - The Line of Least ResistanceBy Edith Wharton Broadcast: Saturday, February 25, 2006 Announcer: Now, the weekly Special English program, AMERICAN STORIES. (MUSIC) Our story today is

发表于:2019-01-02 / 阅读(248) / 评论(0) 分类 2006年慢速英语(二)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(277) / 评论(0) 分类 VOA标准英语2008年(九月)

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(200) / 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(247) / 评论(0) 分类 VOA标准英语2010年(五)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(227) / 评论(0) 分类 VOA标准英语2015年(一月)

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(216) / 评论(0) 分类 2016年NPR美国国家公共电台10月

A Letter to my Future Self写给未来自己的一封信In 1994 I wrote a letter. I stuck it in an envelope, put it away and completely forgot about it. 1994年我写了一封信,我把它装进信封收起来,就完全忘记了。 It wasnt until

发表于:2019-01-17 / 阅读(217) / 评论(0) 分类 英语口译

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(272) / 评论(0) 分类 2015CRI中国国际广播电台

36 反口蹄疫的疫苗 VOICE ONE: (Start at 1'00

发表于:2019-01-30 / 阅读(211) / 评论(0) 分类 科技之光

A 20-minute video, filmed by a U.S. Allies representative, has made its debut in a museum in Hunan Province. Serving as an important testimony of the Chinese People's victory, the video footage demonstrates the signing of a surrender memorandum by th

发表于:2019-02-03 / 阅读(191) / 评论(0) 分类 英语新闻

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:2019-02-04 / 阅读(181) / 评论(0) 分类 英语新闻

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(237) / 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(214) / 评论(0) 分类 好听的英文歌曲

Economics Brief 经济学简介 Six Big Ideas: The natural rate of unemployment 六大经济学原理:失业的自然比率 Central bankers' holy grail 央行银行家的圣杯 Policymakers have spent half a century in search of the natural rate of

发表于:2019-02-17 / 阅读(189) / 评论(0) 分类 经济学人财经系列

BEIJING A report that Beijings already notorious smog contained bacteria with antibiotic-resistant genes spread through the city last week like pathogens in a pandemic disaster movie. 北京上周,有一则新闻就像是传染病灾难片中的病原

发表于:2019-02-18 / 阅读(209) / 评论(0) 分类 英语新闻

国家副主席李源潮15日在北京会见了日本侵华战争遗孤代表团。 请看相关报道: Chinese Vice President Li Yuanchao has met with a group of war-displaced Japanese orphans who were raised by Chinese families after the Chinese

发表于:2019-02-18 / 阅读(171) / 评论(0) 分类 英文语法词汇

In 1994 I wrote a letter. I stuck it in an envelope, put it away and completely forgot about it。 1994年我写了一封信,我把它装进信封收起来,就完全忘记了。 It wasnt until we moved into our new home in 2006 that I found it ag

发表于:2019-02-19 / 阅读(190) / 评论(0) 分类 实用英语
学英语单词
2-hydroxyethyl methacrylate
3/4 length sleeve
Al Qābil
amontillados
archdoor
audit assumption
beasthoods
beauty show
bring into vogue
brotzman
Burgers circuit
business indicator
caits
calculating inspection
carbohydrate allowance
chase bank
chemically bonded moiety
chemically formed rocks
chief knowledge officer (cko)
cingulum extremitatis superioris
cleaner motor
communicating pore
Compact Disc-Interactive
completely miscible system
concurrency operation
constitutively
cosmetic-surgery
cronson
danubomycin
depositional lenticularity
diammonium hydrogen phosphate
dibutoxy tetraethylene glycol
Diemen
diesel generator space
director of admissions
dog's ears
dognapper
double-twist twisting machine
ehrenfels
erythema variolosum
explosive resin release devices
family Cannabidaceae
Fasana
financial class
furanyne
galliguez
gallopades
gas ingestion
geothermal heat flow
globe rivet head
glucose1phosphate
graphometer
halide torch
i don't need this crap
identity vs. identity confusion
if it comes to the push
intermediate evolute
ivhs
K. S. A.
kesse
kison
kringen
listly
louis viiis
low-carbon ferromanganese
magnas
mamillary line
marker ship
Melilotoides ruthenica
methylglucoside
minim confusion
Monastyrskaya
montands
Nakuru, L.
ossifying fibroma of jaw
paxillary
pel-
pelecanus erythrorhynchoss
Pentam-300
performing animal
pull one's weight
put flesh on something
queueeing
renormalising
rescuee
revere collar
reversible pumped storage station
sail-plan
semimicro qualitative analysis
silver herring
small squares
small-amplitude-slosh liquid dynamics
spinning oil
strombus marginatus
terebra boucheti
total flight hour
transversal control
tril.
tutt
unlike dislocation
untyped language
vareniki