VOA慢速英语20060705a

HEALTH REPORT - Health: Looking for Skin CancerBy Brianna Blake

Broadcast: Tue, 4 Jul 2006 16:00:00 UTC

I'm Faith Lapidus with the VOA Special English Health Report.


Tanning¹ beds produce ultaviolet radiation which is linked to skin cancer

Skin cancer is one of the most common forms of cancer. The risk increases in summer because ultraviolet² rays from the sun are the main cause of skin cancer. Tanning beds can also be high in UV radiation.

Anyone can get skin cancer, but people with light colored skin, hair or eyes are at greatest risk. A history of sunburns early in life also increases the risk. So does a family history of skin cancer.

The sooner skin cancer is found, the easier it is to treat. So doctors advise people to examine all areas of their skin once a month, from the top of their head to the bottom of their feet. Even look under the nails and between the toes.

Professional examinations³ are also important. See a doctor if a mole⁴ bleeds or itches⁵ or is bigger than six millimeters⁶.

Knowing what your skin looks like will help you recognize any changes in the size, shape or color of growths. The Cleveland Clinic suggests taking pictures of moles⁷ and dating the images to compare over time.

The two most common forms of skin cancer are basal cell and squamous cell cancers. They can develop as flat, discolored areas or as raised growths, often with a rough surface.

Melanoma is far more dangerous. Melanomas can appear even in areas of the body that do not get a lot of sun. They can be flat or raised and have areas of black, brown and other colors. Other signs include uneven⁸ borders or one half different from the other.

Without early treatment, deadly melanomas can quickly spread within the body.

Hats, sunglasses and clothing offer protection from harmful sunrays, but that can depend. Experts say the denser⁹ the weave of the material, the less ultraviolet radiation reaches the skin. Also, darker colors may offer more protection, and natural cotton can block more than bleached¹⁰ cotton. When clothing is wet or stretched, however, it lets more UV radiation pass through.

Choose sunscreen products and sunglasses designed to protect against both UV-A and UV-B rays. Experts at the Centers for Disease¹¹ Control and Prevention remind people to put on sunscreen before they go outdoors.

UV levels can be high even on cloudy days.

Put a thick amount on all areas of skin that will get sun. Put on more sunscreen if you stay in the sun for more than two hours, and after you swim or sweat a lot from activities.

This VOA Special English Health Report was written by Brianna Blake. To learn more about skin cancer, go to www.unsv.com. I'm Faith Lapidus.

1 tanning   

n.制革法，皮肤晒成褐色；[口]鞭打；鞣制

参考例句：

• When his father gets home, he'll get a good tanning. 他爸爸回来时他将要挨一顿痛打。 来自《现代英汉综合大词典》
• The sun's ultraviolet rays are responsible for both tanning and burning. 阳光中的紫外线是皮肤晒黑和灼伤的根源。 来自辞典例句

2 ultraviolet   

adj.紫外线的；n.紫外线

参考例句：

• It's called ultraviolet rays.它被叫做紫外线。
• The sun's ultraviolet rays are responsible for both tanning and burning.阳光中的紫外线是皮肤晒黑和灼伤的根源。

3 examinations   

n.检查( examination的名词复数 )；考试；考查；试题

参考例句：

• He had been forced to incriminate himself in cross-examinations. 他在盘问中被迫受到牵连。 来自《简明英汉词典》
• Examinations are hanging over her head—that's why she can't sleep at nights. 她大脑里想的都是考试，所以晚上无法入睡。 来自《简明英汉词典》

4 mole   

n.胎块；痣；克分子

参考例句：

• She had a tiny mole on her cheek.她的面颊上有一颗小黑痣。
• The young girl felt very self- conscious about the large mole on her chin.那位年轻姑娘对自己下巴上的一颗大痣感到很不自在。

5 itches   

n.痒( itch的名词复数 )；渴望，热望v.发痒( itch的第三人称单数 )

参考例句：

• His wool shirt always itches him. 他的羊毛内衣总是使他发痒。 来自《现代汉英综合大词典》
• This wool shirt itches my back. 这件羊毛衫使我背上发痒。 来自《现代英汉综合大词典》

6 millimeters   

n.毫米( millimeter的名词复数 )

参考例句：

• The creature is a tiny centipede, just 10 millimeters long. 那个生物是一只很小的蜈蚣，只有10毫米长。 来自辞典例句
• This machine part was built to a tolerance of 0.01 millimeters. 这一机器部件的制造公差是0.01毫米。 来自辞典例句

7 moles   

防波堤( mole的名词复数 )； 鼹鼠； 痣； 间谍

参考例句：

• Unsightly moles can be removed surgically. 不雅观的痣可以手术去除。
• Two moles of epoxy react with one mole of A-1100. 两个克分子环氧与一个克分子A－1100反应。

8 uneven   

adj.不平坦的，不规则的，不均匀的

参考例句：

• The sidewalk is very uneven—be careful where you walk.这人行道凹凸不平—走路时请小心。
• The country was noted for its uneven distribution of land resources.这个国家以土地资源分布不均匀出名。

9 denser   

adj. 不易看透的, 密集的, 浓厚的, 愚钝的

参考例句：

• The denser population necessitates closer consolidation both for internal and external action. 住得日益稠密的居民，对内和对外都不得不更紧密地团结起来。 来自英汉非文学 - 家庭、私有制和国家的起源
• As Tito entered the neighbourhood of San Martino, he found the throng rather denser. 蒂托走近圣马丁教堂附近一带时，发现人群相当密集。

10 bleached   

漂白的，晒白的，颜色变浅的

参考例句：

• His hair was bleached by the sun . 他的头发被太阳晒得发白。
• The sun has bleached her yellow skirt. 阳光把她的黄裙子晒得褪色了。

11 disease   

n.疾病，弊端

参考例句：

• The doctors are trying to stamp out the disease.医生正在尽力消灭这种疾病。
• He fought against the disease for a long time.他同疾病做了长时间的斗争。