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科学美国人60秒 SSS 2014-03-06

时间:2014-04-08 05:27来源:互联网 提供网友:gmeng   字体: [ ]
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During the physical examine, doctors pick up blood from thepatients including that patient's bacteria. To keep infection from spreading,physicians try to always wash their hands between examines. But they don'talways scrub1 their stethoscopes. To see just how much bacteria this equipment gather,doctors examined 71 patients using stethoscopes and gloves. After each examine,researchers collected samples from the stethoscope surface and tube, as well asfour parts of the physicians' glove hands: the finger tips, backs and two locationson the palms. The finger tips became by far the most bacteria contaminated2. Butthe with the stethoscope surface which gather more microbes than the palms orthe backs of hand. This study is in Clinic Proceedings3. Although finger tipspicked up more than five times as much bacterium4 stethoscope did, doctorsreduced that contamination5 before seeing the next patient by cleaning theirhands. According to this study authors, stethoscopes should get the sametreatment. Then the only thing to fear is the stethoscopes’ icy temperature.


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1 scrub MDhz8     
n.用力擦洗,矮树,渺小之物;v.用力擦洗
参考例句:
  • I got paint on my hands and it won't scrub off.我手上沾上了油漆,擦不掉。
  • The great plain was covered in scrub and small lifeless trees.浩瀚的平原覆盖着灌木和毫无生气的矮小树林。
2 contaminated 050cdd7ea65320380d17c2374b70c142     
把…弄脏,污染( contaminate的过去式 ); 玷污,毒害,腐蚀(人的思想或品德)
参考例句:
  • The drinking water has become contaminated with lead. 饮用水被铅污染了。
  • The site was found to be contaminated by radioactivity. 发现此地受放射线污染。
3 proceedings Wk2zvX     
n.进程,过程,议程;诉讼(程序);公报
参考例句:
  • He was released on bail pending committal proceedings. 他交保获释正在候审。
  • to initiate legal proceedings against sb 对某人提起诉讼
4 bacterium BN7zE     
n.(pl.)bacteria 细菌
参考例句:
  • The bacterium possibly goes in the human body by the mouth.细菌可能通过口进入人体。
  • A bacterium is identified as the cause for his duodenal ulcer.一种细菌被断定为造成他十二指肠溃疡的根源。
5 contamination fpHzN     
n.污染
参考例句:
  • We must ensure our children against contamination by bad ideas. 我们必须保护我们的儿童不受坏思想的侵蚀。
  • There is a danger of serious contamination from radioactive waste. 放射性废弃物有严重污染的危险。
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TAG标签:   科学美国人60秒  SSS  英语听力
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