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VOA慢速英语 2008 1231a

时间:2009-01-05 08:45来源:互联网 提供网友:jy03334434   字体: [ ]
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This is the VOA Special English Health Report.

We talked last week about ways to avoid hypothermia and other cold-weather injuries. Today we are going to talk about emergency treatment.

Hypothermia can be mild, moderate or severe. Mild hypothermia is something that most people who live in cold climates have experienced. You feel so cold that your body starts to shake, not very much but uncontrollably.

The treatment for mild hypothermia starts with getting out of the cold, and changing into dry clothes if necessary. Drinking warm, non-alcoholic liquids and eating something sugary can stop the shivering. Taking a warm bath or sitting by a fire or doing some exercise can also help the body warm up. These are all common sense treatments.

But the treatment changes when people enter the moderate or severe stages of hypothermia. Their body temperature drops below thirty-five degrees Celsius1. They lose the ability to think clearly. Their muscles become stiff2. They might bump3 into things or fall over objects.

Adrienne Freeman is a park ranger4 at Yosemite National Park in California. She is part of the Yosemite Search and Rescue team. She says rescuers will first try to prevent additional heat loss by placing extra covering around a victim's chest, head and neck.

She says it is important to work fast to get people out of the cold and to medical help as soon as possible. But she says it is equally important to move the victim slowly and gently.

Ranger Freeman says any rough or sudden movement can force cold blood from the arms, legs and hands deep into the warmer middle of the body. The sudden flow of cold blood can create shock, a serious condition. It can also cause a dangerously abnormal5 heartbeat.

Adrienne Freeman says the process of "rewarming" a person needs to be done slowly, in a hospital setting. She says something else to keep in mind is that a hypothermia victim may seem dead but still be alive.

An extremely low body temperature can cause the heart to beat so slowly that a pulse may be difficult to find. Ranger Freeman says members of search and rescue teams have a saying that victims are not dead until they are warm and dead.

And that's the VOA Special English Health Report, written by Caty Weaver6. If you missed last week's advice about how to avoid cold-weather injuries, it can be found at voaspecialenglish.com. I'm Steve Ember.

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1 Celsius AXRzl     
adj.摄氏温度计的,摄氏的
参考例句:
  • The temperature tonight will fall to seven degrees Celsius.今晚气温将下降到七摄氏度。
  • The maximum temperature in July may be 36 degrees Celsius.七月份最高温度可能达到36摄氏度。
2 stiff 4G8z4     
adj.严厉的,激烈的,硬的,僵直的,不灵活的
参考例句:
  • There is a sheet of stiff cardboard in the drawer.在那个抽屉里有块硬纸板。
  • You have to push on the handle to turn it,becanse it's very stiff.手柄很不灵活,你必须用力推才能转动它。
3 bump rWUzQ     
v.(against,into)碰,颠簸;n.碰撞,隆起物
参考例句:
  • I heard a bump in the next room.我听到隔壁房间传来“砰”的一声。
  • He got a bad bump on his forehead.他碰得前额隆起一个大包。
4 ranger RTvxb     
n.国家公园管理员,护林员;骑兵巡逻队员
参考例句:
  • He was the head ranger of the national park.他曾是国家公园的首席看守员。
  • He loved working as a ranger.他喜欢做护林人。
5 abnormal UIvy2     
adj.反常的,不正常的,不规则的
参考例句:
  • This warm weather is abnormal for February.二月里这种温暖的天气不太正常。
  • That is simply abnormal.那简直是反常的。
6 weaver LgWwd     
n.织布工;编织者
参考例句:
  • She was a fast weaver and the cloth was very good.她织布织得很快,而且布的质量很好。
  • The eager weaver did not notice my confusion.热心的纺织工人没有注意到我的狼狈相。
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TAG标签:   VOA慢速英语  VOA  voa special englis
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