水动阻力;流体动阻力

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(100) / 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(64) / 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(178) / 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(144) / 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(153) / 评论(0) 分类 VOA标准英语2008年(九月)

AGRICULTURE REPORT –August 20, 2002: Exploding Meat By George Grow This is the VOA Special English AGRICULTURE REPORT. American scientist Morse Solomon has developed an unusual method to make meat s

发表于:2019-01-11 / 阅读(125) / 评论(0) 分类 农业与发展

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(98) / 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(140) / 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(119) / 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(115) / 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(105) / 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(166) / 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(114) / 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(89) / 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(96) / 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(128) / 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(101) / 评论(0) 分类 好听的英文歌曲

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(122) / 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(91) / 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(81) / 评论(0) 分类 实用英语
学英语单词
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acer cataipifolium rehd.
afromosia
agar streak
all plastic fiber
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already issued bond
arborize
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Cupressus pigmaea
darkmagenta
digit by digit method
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durn tootin'
ectropothecium obtusulum
electrostatic force
equinoctial line
ergastome
eyeballings
floating-point constant
flowgraph
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genus lactariuss
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humorous effect
in the doldrums
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induced junction
Inland Passage
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mass party
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Minnesota Regional Network
moffle
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Ndanga
nerillids
nettleman
no yeah
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Ontojärvi
power set
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re-freeze
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shefer
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Snohomish County
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unspring
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