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VOA慢速英语2010年-Advice for Staying Warm and Safe in Fr

时间:2011-01-03 06:14来源:互联网 提供网友:hp2786   字体: [ ]
    (单词翻译:双击或拖选)

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 a gangrene infection. Sometimes the only way doctors can treat an injury like this is to remove frostbitten areas like fingers and toes.

Hypothermia is a condition that develops when the body cannot produce as much heat as it releases. Signs of hypothermia include uncontrollable shaking, very slow breathing and difficulty thinking clearly. Hypothermia can lead to death if the person does not receive help.

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.

How not to dress for the cold: a newly married couple poses4 for a photograph opposite the Houses of Parliament in London on Saturday. Snow brought much of Britain to a standstill.

The C stands for cover. Wear a hat and scarf to keep heat from escaping through the head, neck and ears. And wear mittens5 instead of gloves. In gloves, the fingers are separated, so the hands might not stay as warm as they would in mittens.

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

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

D is for dry. In other words, stay as dry as possible. Pay attention to the places where snow can enter clothing. These include the tops of boots, the necks of coats and the wrist areas of mittens or gloves.

A man waits to cross a street during a snowstorm in Shanghai, China, on December 15

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 who is injured by cold weather.

And that's the VOA Special English Health Report. I'm Shirley Griffith.


点击收听单词发音收听单词发音  

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 poses 3de56b841449b9655e822e23f288b059     
使摆姿势( pose的第三人称单数 ); 以…身份出现; 招摇; 炫耀
参考例句:
  • This poses a threat to agriculture and the food chain, and consequently to human health. 这会对农业和食物链造成威胁,由此而危及人的健康。
  • The high cost of oil poses serious problems for industry. 昂贵的石油价格给工业造成了严重困难。
5 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。
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。
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TAG标签:   VOA慢速英语  frostbitten
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