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
Abert's pipilos
abrasive cleaner
adhering to the socialist orientation
albums
allocate for
allocentrics
arthroderms
at-hold
augurial
avifaunistic
beazer
bedding-plane slip
biotherapies
by the thousand
Call Waiting String
cancer of the esophagus
carotidograph
Caryll
cbor onic plate
cement mold
citrate of lime
collision radiation
common seizing
cone of null
controller equation
copying sttachment
cylindraceous
deiform
devault
diphenyl-ketoxime
diversified portfolio
EA
embossing typewriter
exhaust tesistance
fabric rubbing test
fast-operating relay
file group
free interstitial water
glass reinforced plastic deck
grimbo
gripe about
growing stage
hang on sb.'s sleeve
hemato-encephalic barrier
hydrastinine bisulfate
ilsr
in one's mind's eye
inlet of pelvis
insensitive nucleus enhancement by polarization transfer
interior-type plywood
international co operation
isoluminant
key transport protocol
large oval head nibbed bolt
lava desert
licking my lips
limit height
Lipchitz
mesa bipolar transistor
mid forceps delivery
mirror reactor
mode identifier
multiple recording medium word processing equipment
optically tracked
ordinary use
paranesidea bipustulosa
periorbital hyperpigmentation
phlyarologist
phosphoramide
photo-cell amplifier
pip (product improvement program)
pithomyces chartarum
positive semi-definite rational function
propyloic-
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railway current
residual infiltration
section shape
selected ordinate method
self-reset contact
serialised
shareholder voting rights
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spider coil
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superficial punctate keratopathy
tag type identifier
Tanuma Okitsugu
thoron
to unbend cable
transverse distance
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unchilling
var measurement
wars to end wars
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wood grating
WQVGA