NPR 2010-04-20

Transportation authorities in Europe are opening up more airspace to commercial airline flights despite some ongoing concern about the cloud of volcanic ash that has been lingering over the continent for days. The flights will be restricted to so-cal

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[00:03.89]obosolete obstacle obstinate obstruction [00:08.52]a.已废弃的，过时的 n.障碍，防碍,干扰 a.顽固的,执固的 n.妨碍,障碍物 [00:13.14]obtain obvious occasion occasional [00:18.17]vt.获得,得到 a.显而易见的,明显的

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This is Scientific American 60 Second Science. I am Christopher Intagliata. Got a minute? In developed countries, we've mostly eliminated freeloaders like parasitic worms from our guts. But we also have the highest rates of inflammatory bowel disease

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阿米巴［性］肝脓肿, amebic liver abscess Ehlers-Danlos综合征, Ehlers-Danlos syndrome 嗳气, belch 凹陷性病变, excavated lesion, depressed lesion Oddi括约肌成形术, plastic repair of Oddi sphincter Oddi括约肌切开

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VOA慢速英语20060116a

DEVELOPMENT REPORT - Studies Say New Rotavirus Vaccines Are Safe and EffectiveBy Jill Moss Broadcast: Monday, January 16, 2006 I'm Steve Ember with the VOA Special English Development Report. Studies

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At the same time, methanogens can use hydrogen and carbon dioxide produced by other bacteria to generate methane, 同时，产甲烷菌可以使用其他细菌产出的氢和二氧化碳以生成甲烷， which can reduce the total volume of gas by u

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VOA慢速英语20060306a

DEVELOPMENT REPORT - How Do Vaccines Reach the Developing World?By Jill Moss Broadcast: Monday, March 06, 2006 I'm Steve Ember with the VOA Special English Development Report. Guatamalan baby infected

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The World Health Organization (WHO) warns against the indiscriminate(任意的无差别的) use of potassium iodide as a precaution against nuclear radiation. WHO is issuing this advisory following reports of people in Japan and elsewhere who are usi

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THE HAGUE, June 1(Xinhua) -- Five people in the Netherlands have been sickened with an unusual strain of the E. coli bacteria, the institute for public health (RIVM) reported Wednesday. Of the five patients, four also suffered from intestinal problem

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