在线英语听力室

美国科学60秒 SSS 2013-04-17

时间:2013-07-23 07:28:29

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(单词翻译)

   People with asthma1 crog constructive2 pollenary disease and other breathing disorders3 need fast relief with airway4 tighten-up.unfortunately the most comonly used medication has nocious side effect,but scientists recently discoveryed that a bitter of taste can be more effective treatment, and now they know why,the work is published on Plus Biology.

  When an asthma attack hit ,the air we shrink and makes breathing difficult ,to keep air flowing ,the suffer must take medication to relax passager's muscle open and backup,but a couple year ago,research discovered airway contain bitter taste acceptors lets ones on the tongue,after exposure to a bitter substance, the acceptors can expand the airway more quickly and more effectively than the commonly used treatment.
  Researcher examined airway tissue to learn why the bitterness  make the  muscles relax,during an asthma attack,calsin flows into the selfof the airway and contribute to muscle constraction.
  but bitter substances block the channel that allow the calcement desell ,that is the opposite of bitter bill.

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1 asthma WvezQ     
n.气喘病,哮喘病
参考例句:
  • I think he's having an asthma attack.我想他现在是哮喘病发作了。
  • Its presence in allergic asthma is well known.它在过敏性气喘中的存在是大家很熟悉的。
2 constructive AZDyr     
adj.建设的,建设性的
参考例句:
  • We welcome constructive criticism.我们乐意接受有建设性的批评。
  • He is beginning to deal with his anger in a constructive way.他开始用建设性的方法处理自己的怒气。
3 disorders 6e49dcafe3638183c823d3aa5b12b010     
n.混乱( disorder的名词复数 );凌乱;骚乱;(身心、机能)失调
参考例句:
  • Reports of anorexia and other eating disorders are on the increase. 据报告,厌食症和其他饮食方面的功能紊乱发生率正在不断增长。 来自《简明英汉词典》
  • The announcement led to violent civil disorders. 这项宣布引起剧烈的骚乱。 来自《简明英汉词典》
4 airway xzez8W     
n.空中航线,通风口
参考例句:
  • Lay them on their side and ensure the airway is unobstructed.让他们侧躺着,并确保呼吸道畅通。
  • There is a purple airway in London Airport.伦敦机场里有一条皇家专用飞机跑道。

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