un. 磨擦阻力;摩擦辊轮落锤
[网络] 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(240) / 评论(0) 分类 VOA标准英语2015年(十二月)

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(346) / 评论(0) 分类 名人名篇

By Heda Bayron Hong Kong 25 January 2006 South Korea's president has warned of

发表于:2019-01-04 / 阅读(264) / 评论(0) 分类 2006年VOA标准英语(一月)

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(297) / 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(220) / 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(270) / 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(244) / 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(231) / 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(227) / 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(289) / 评论(0) 分类 2015CRI中国国际广播电台

As the Sino-U.S. trade dispute escalates, economists from a leading Chinese think tank have called on China to fight to the end, and not to yield to pressure. Trade frictions between China and the United States have continued to grow, as the American

发表于:2019-01-19 / 阅读(188) / 评论(0) 分类 2018CRI中国国际广播电台

By Scott Stearns white House 18 January 2007 The White House is dismissing reports of friction between Iraqi Prime Minister Nouri al-Maliki and U.S. President George Bush. VOA White House Correspondent Scott Stearns reports, the Bush administration

发表于:2019-01-31 / 阅读(211) / 评论(0) 分类 2007年VOA标准英语(一月)

By Peta Thornycroft 22 November 2007 The political future of Morgan Tsvangirai, the leader of Zimbabwe's divided opposition Movement for Democratic Change, is facing challenges. As Peta Thornycroft reports for VOA, many of his closest associates are

发表于:2019-01-31 / 阅读(203) / 评论(0) 分类 VOA常速英语2007年(十一月)

By Andre de Nesnera Washington 11 October 2007 Relations remain tense between Russia and Georgia several weeks after Georgian forces killed two Russian military officers in the Georgian separatist region of Abkhazia. In this background report from Wa

发表于:2019-01-31 / 阅读(218) / 评论(0) 分类 2007年VOA常速英语(十月)

By David Gollust State Department 16 July 2007 The State Department said Monday there is no rift between the Bush administration and former British Prime Minister Tony Blair over his new role as envoy for the international Middle East Quartet. Mr. Bl

发表于:2019-02-02 / 阅读(289) / 评论(0) 分类 2007年VOA标准英语(七月)

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(252) / 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(239) / 评论(0) 分类 好听的英文歌曲

BEIJING, June 12 (Xinhua) -- Pressure from trade frictions has continued to increase this year for Chinese enterprises, while further challenges are expected in the future, a commerce official said. Li Chenggang, head of the Department of Treaty and

发表于:2019-02-18 / 阅读(192) / 评论(0) 分类 英语新闻

BEIJING, Apr. 16 (Xinhuanet) -- China and the United States will experience more trade friction in the high-end manufacturing sector, as Washington protects its domestic industries, officials said on Sunday. Friction will surely increase as China and

发表于:2019-02-18 / 阅读(261) / 评论(0) 分类 英语新闻

China, EU to negotiate over solar panel friction BEIJING, Sept. 11 (Xinhua) -- The Chinese government on Tuesday sent a delegation to Europe to negotiate with the European Union (EU) about the trade friction over solar panel imports. The delegation,

发表于:2019-02-25 / 阅读(314) / 评论(0) 分类 英语新闻
学英语单词
a chicken
a heaps of
Alyxia marginata
anewst
antibody-like
asbestos filler
assignment of marketing right
audimation
autoresponders
boundary water drive
break period
breckers
British National Committee for Ocean Engineering
cacajao calvus
can damage
Choate, Joseph Hodges
clichies
cohesive failure
commonwealths of dominica
course condition setter
court of assize and nisi prius
cross section of flow
current taxes and delinquent taxes
deep soil fertilizer applicator
diastereo-selectivity
dielectric effect
digital data display system
doorstoppers
dust-proof measures
eka-caesium
euselates perraudieri taivanica
fascia abdominal
force field
fulmaruss
gas tax
Glasgow Herald
glomus fragilis
grayish brown cloth
Gräfenroda
gure
hand horse clipper
hauing
heel hook
heir by adoption
helmick
hrazdira
human pyramid
hydrogen sulfide spring
igniter fuse
in file
isovol
jogayle
juvenile adenoma
kiera
labyrinthi
leukophlogit (melanophlogite)
literary arts
lithiumplatinocyanide
magnify
moments of distribution
natural hydrocarbons
near-surface
nucleus ventromedialis hypothalami
oil rice ratio
paroxysmal tachycardia
pearl necklaces
pearlitic steel
Phenicia
Provismin
provisoires
pseudosyringomyelia
punctete
put ... on the backburner
put through the shredder
rakee
rentees
resistance of oxidation
resisting arrests
respecs
reykjaviks
Rostov
schoolcrafts
scotch (whisk(e)y)
selenium cystine
shodo
single crank
sodium binoxalate
souvent
stale drying
Storfjord
study halls
taccaoside
TEDx
thionyl chloride
troodontid
tubereculous peritonitis
unebriate
VASC
Wiesel's paraganglion
writing-master
zanthoxylum acanthopodium dc.var.villosum huang
zaptieh