减毒株

WHO: Balanced Approach for New Bird Flu Virus Strain In 2011, scientists discovered they had created a highly contagious and deadly form of H5N1 commonly called avian or bird flu. When the discovery was announced, debate erupted over whether the rese

发表于:2018-12-08 / 阅读(176) / 评论(0) 分类 VOA标准英语2011年(十二月)

The flu epidemic intensified a few week ago, but it continued to worsen with widespread outbreaks being reported in every state except Florida. NBC's Robert Bazell reports. And there's new information tonight about this year's flu epidemic and why i

发表于:2018-12-11 / 阅读(145) / 评论(0) 分类 万花筒2008年

美国已发现的猪流感病毒和在墨西哥引起致命传染的是同一病毒.猪流感是什么东西?我们将如何应对?这里解答你的所有疑惑。 The swine flu virus in the U.S. is the same one causing a deadly epidemic in Mexico.

发表于:2018-12-16 / 阅读(159) / 评论(0) 分类 医学英语

DAVID GREENE, HOST: And we're going to spend some time now in China's far northwestern region, Xinjiang, which is four times the size of California. It's home to a Muslim minority group called the Uighurs. They have had this tense relationship with C

发表于:2018-12-17 / 阅读(143) / 评论(0) 分类 2017年NPR美国国家公共电台9月

今天我们要学的词是 strain. strain 的意思是压力,负担。Tijuana could feel the strain as migrant shelters there already are at or near capacity. 墨西哥的蒂华纳可能 会感受到那里已经人满为患的移民避难所的压力

发表于:2018-12-27 / 阅读(139) / 评论(0) 分类 英语单词荟萃

今天我们要学的词是 strain. strain 的意思是压力,费力,使足力气。 In China, female pilots strain to hold up half the sky although they account for only 1.3 percent of all the pilot, one of the lowest proportion in the world. 在中

发表于:2018-12-30 / 阅读(126) / 评论(0) 分类 英语单词荟萃

The deterioration of relations between Ukraine and Russia accelerated after Kyiv sided with Georgia during last month's conflict in South Ossetia. Worsening ties coincide with next year's expiration of the bilateral Treaty on Friendship, Cooperation

发表于:2019-01-12 / 阅读(157) / 评论(0) 分类 VOA标准英语2008年(九月)

By Al Pessin Washington 11 January 2008 The top U.S. military officer says he would like to be able to send 3,000 Marines to Afghanistan, as regional commanders have requested. But he says senior leaders are concerned about the impact the deployment

发表于:2019-01-13 / 阅读(178) / 评论(0) 分类 VOA标准英语2008年(一月)

This was a very shallow earthquake, which means it would tend to be more destructive. Stuart Sipkin, USGS Tuesday's earthquake hit Haiti hard, with extensive damage and many casualties. Compared to the well-known seismic areas like the Pacific Rim, t

发表于:2019-01-13 / 阅读(145) / 评论(0) 分类 VOA标准英语2010年(一月)

Scientists Seek HIV Vaccine Using Monkey Model Traditional vaccine methods have been unsuccessful in preventing infection by HIV, the virus that causes AIDS. New techniques are being studied to boost antibodies or other parts of the immune system. Bu

发表于:2019-01-13 / 阅读(123) / 评论(0) 分类 VOA标准英语2012年(九月)

New, Fatal Bird Flu Strain Closely Monitored 密切监视新的致命禽流感病毒H7N9 WASHINGTON In the past 10 years, a deadly strain of bird flu has killed more than half of the people who got it. Now, there's a new strain of bird flu circulatin

发表于:2019-01-14 / 阅读(132) / 评论(0) 分类 VOA标准英语2014年(三月)

SCOTT SIMON, HOST: This week, a painting by Kerry James Marshall sold for more than $21 million. It is believed to be the most ever paid for the work of a living black artist. The buyer was just revealed to be Sean Combs. It's the kind of work that m

发表于:2019-01-16 / 阅读(133) / 评论(0) 分类 2018年NPR美国国家公共电台5月

1. severe,严重的,剧烈的,严峻的。 eg:He has been under a severe strain. 他一直处在极度紧张状态之中。 We are suffering from a severe shortage of fuel. 我们苦于严重缺乏燃料。

发表于:2019-01-17 / 阅读(191) / 评论(0) 分类 蒋健棠教你听英语广播

He smiled back, though, looking allured. Then he lifted one eyebrow and his voice was even huskier than before. 但他向我微笑着,显然已经上钩了。然后他挑起一侧眉头,声音变得比之前更为沙哑了。 Do you like scary st

发表于:2019-01-18 / 阅读(99) / 评论(0) 分类 暮光之城•暮色

Voice 1 Welcome to Spotlight. Im Mike Procter. Voice 2 And Im Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 Todays Spotlight program is about

发表于:2019-01-19 / 阅读(137) / 评论(0) 分类 环球英语 Spotlight

There was no way she could come to terms with death; she lay night after night in a confused terror, trying to imagine if death was perpetual night, or an abyss of flames she had to jump over to reach the golden fields on the far side, or a sphere li

发表于:2019-01-29 / 阅读(143) / 评论(0) 分类 荆棘鸟

By Lisa Schlein Geneva 24 December 2007 The World Health Organization says the most infectious type of polio could be eradicated worldwide by next year, leaving only one more strain of the disease to be tackled. WHO, which began its global polio erad

发表于:2019-01-31 / 阅读(113) / 评论(0) 分类 VOA常速英语2007年(十二月)

The second type of vaccine contains an attenuated virus. This virus is alive, but has been grown in the lab for several generations, so it isnt able to multiply very well in humans. With the attenuated virus multiplying very slowly, your body is able

发表于:2019-02-15 / 阅读(122) / 评论(0) 分类 英语时差8,16

How vain and foolish, then, thought I, 于是,我心里想, for timid untravelled man to try to comprehend aright this wondrous whale, by merely poring over his dead attenuated skeleton, stretched in this peaceful wood. 那些足不出户的胆小鬼

发表于:2019-02-17 / 阅读(141) / 评论(0) 分类 白鲸记

[00:11.26]- Hey, Europes not going anywhere. - Thats right. [00:36.38]April, honey, how about a dance? [00:41.34]Not right now. Maybe later. [00:43.90]- Ill dance. - Okay. [01:00.62]Guess shes still pretty blue about Paris, huh? [01:04.30]Think shell

发表于:2019-03-16 / 阅读(354) / 评论(0) 分类 听电影学英语
学英语单词
agraphias
Ankazoabo
Anoyia
arsinoyls
artificial smoke
attachment filament
aurosan
auxiliary reproducing head
ball-jointed screw
batagurid
be asleep to
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brichford
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Cream-Headed
crut
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Gevex
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irreversibly
Kibambili
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Nicholas IV
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Proto-Iranian
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resin bonded graphite brush
return type burner
Rychwał
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salaganes
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space divergence
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trunci thyreocervicalis
ulps
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Vanitory unit
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wire explosion spraying
working population