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VOA慢速英语2009年-Health Report - Want to Stay Warm in W

时间:2010-01-11 03:01:42

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This is the VOA Special English Health Report.

Freezing weather can mean frostbite and hypothermia unless a person is prepared. Today we talk about how to stay warm, dry and safe.

Frostbite is damage that happens when skin is exposed to extreme cold for too long. It mainly happens on the hands, feet, nose and ears.

People with minor1 cases of frostbite that affect only the skin may not suffer any permanent damage. But if deeper tissue is affected2, a person is likely to feel pain every time the area gets cold.

If blood vessels3 are damaged, people can suffer an infection of gangrene. Sometimes, doctors have to remove frostbitten areas like fingers and toes.

Hypothermia happens when the body cannot produce as much heat as it releases. The condition comes on slowly. Signs of hypothermia include uncontrollable shaking, very slow breathing and difficulty thinking clearly. If not treated, hypothermia can be deadly.

To avoid cold-related injuries, here is a simple way to remember four basic steps to staying warm. Think of COLD -- C.O.L.D.

The C stands for cover. Wear a hat and scarf to keep heat from escaping through the head, neck and ears. And wear mittens4 instead of gloves. In gloves, the fingers are separated, so the hands may not stay as warm.

The O stands for overexertion. Avoid activities that will make you sweaty. Wet clothes and cold weather are a bad mix.

L is for layers. Wearing loose, lightweight clothes, one layer on top of another, is better than wearing a single heavy layer of clothing. Also, make sure outerwear is made of material that is water resistant5 and tightly6 knit7.

Can you guess what the D in COLD stands for? D is for dry. In other words, stay as dry as possible. Pay attention to the places where snow can enter, like the tops of boots, the necks of coats and the wrist areas of mittens.

And here are two other things to keep in mind, one for children and the other for adults. Eating snow might be fun but it lowers the body's temperature. And drinking alcohol might make a person feel warm. But what it really does is weaken the body's ability to hold heat.

Next week: advice from experts about what to do, and not to do, to help someone injured by extreme cold.

And that's the VOA Special English Report, written by Caty Weaver8. For more health news, along with transcripts9 and MP3s of our reports, go to voaspecialenglish.com. I'm Steve Ember.
 


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1 minor e7fzR     
adj.较小(少)的,较次要的;n.辅修学科;vi.辅修
参考例句:
  • The young actor was given a minor part in the new play.年轻的男演员在这出新戏里被分派担任一个小角色。
  • I gave him a minor share of my wealth.我把小部分财产给了他。
2 affected TzUzg0     
adj.不自然的,假装的
参考例句:
  • She showed an affected interest in our subject.她假装对我们的课题感到兴趣。
  • His manners are affected.他的态度不自然。
3 vessels fc9307c2593b522954eadb3ee6c57480     
n.血管( vessel的名词复数 );船;容器;(具有特殊品质或接受特殊品质的)人
参考例句:
  • The river is navigable by vessels of up to 90 tons. 90 吨以下的船只可以从这条河通过。 来自《简明英汉词典》
  • All modern vessels of any size are fitted with radar installations. 所有现代化船只都有雷达装置。 来自《现代汉英综合大词典》
4 mittens 258752c6b0652a69c52ceed3c65dbf00     
不分指手套
参考例句:
  • Cotton mittens will prevent the baby from scratching his own face. 棉的连指手套使婴儿不会抓伤自己的脸。
  • I'd fisted my hands inside their mittens to keep the fingers warm. 我在手套中握拳头来保暖手指。
5 resistant 7Wvxh     
adj.(to)抵抗的,有抵抗力的
参考例句:
  • Many pests are resistant to the insecticide.许多害虫对这种杀虫剂有抵抗力。
  • They imposed their government by force on the resistant population.他们以武力把自己的统治强加在持反抗态度的人民头上。
6 tightly ZgbzD7     
adv.紧紧地,坚固地,牢固地
参考例句:
  • My child holds onto my hand tightly while we cross the street.横穿马路时,孩子紧拉着我的手不放。
  • The crowd pressed together so tightly that we could hardly breathe.人群挤在一起,我们几乎喘不过气来。
7 knit 4xCyA     
vt.编织,密接,结合,皱眉;vi.编织,变得紧凑,愈合;n.编织
参考例句:
  • She could knit up a baby's coat in an afternoon.她能在一个下午织好一件婴儿的衣服。
  • Our letters enabled us to knit up our old friendship.通信使我们恢复了旧日的友谊。
8 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。
9 transcripts 525c0b10bb61e5ddfdd47d7faa92db26     
n.抄本( transcript的名词复数 );转写本;文字本;副本
参考例句:
  • Like mRNA, both tRNA and rRNA are transcripts of chromosomal DNA. tRNA及rRNA同mRNA一样,都是染色体DNA的转录产物。 来自辞典例句
  • You can't take the transfer students'exam without your transcripts. 没有成绩证明书,你就不能参加转学考试。 来自辞典例句

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