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南粤26选五最新开奖:VOA慢速 Health Report,Ear Care, Do-It-Yourself Wax Removal(2013-02-06)

VOA慢速 Health Report,Ear Care, Do-It-Yourself Wax Removal(2013-02-06)
This is the VOA Special English Health Report.
这里是美国之音慢速英语健康报告。

Some people's ears produce wax like busy little bees. This can be a problem even though earwax appears to serve an important purpose.
一些人的耳朵像繁忙的小蜜蜂一样频繁地分泌出蜡质。尽管耳垢也起着非常重要的作用,但是也可能产生一些问题。

It protects and cleans the ear. It traps dirt and other matter, and it keeps insects out. Doctors think earwax might also help protect against infections. And the waxy oil keeps ears from getting too dry.
这些耳垢可以对耳朵起到清洁和?;ぷ饔?。耳垢可以防止污垢,异物和昆虫进入耳内。医生认为,还可以防止感染。此外,这些蜡质还可以防止耳内过于干燥。

So earwax is good. It even has a medical name: cerumen. And there are two kinds. Most people of European or African ancestry have the "wet" kind: thick and sticky. East Asians commonly have "dry" earwax.
所以,这些耳垢是好的,它甚至还有一个医学名字:耵聍(cerumen)。耳垢主要有两种。大部分欧裔和非裔人口都是“湿型耳垢”,比较粘稠。东亚人的耳垢则通常是“干型”的。

But you can have too much of a good thing.
但是,即使是好东西,过多也会产生适得其反的效果。

The glands in the ear canal that produce the wax make too much in some people. Earwax is normally expelled; it falls out of the ear or gets washed away. But extra wax can harden and form a blockage that interferes with soundwaves and reduces hearing.
一些人耳孔内分泌耳垢的腺体过多。耳垢通常被排出耳外,从耳内脱落或被冲走。但是过多的耳垢可能会硬化,形成栓塞,干扰声波的接收,减弱听力。

People can also cause a blockage when they try to clean out their ears, but only push the wax deeper inside. Earwax removal is sometimes necessary. But you have to use a safe method or you could do a lot of damage.
一些人还可能造成人为的栓塞。他们对耳部进行清洁,反而使耳垢更加深入。有时适当的清除耳垢是必要的。但是必须使用安全的方法,否则可能对耳朵造成损害。

Experts at the National Institutes of Health, NIH, suggest some ways to treat excessive earwax yourself. The wax can be softened with mineral oil, glycerin or ear drops. Hydrogen peroxide or carbamide peroxide may also help.
国家卫生院的专家提出了几点关于自己清除耳垢的建议。他们说,矿物油,甘油或滴耳剂可以使耳垢软化,过氧化氢或过氧化脲也可以起到帮助。

Another way to remove wax is known as irrigation. With the head upright, take hold of the outer part of the ear. Gently pull upward to straighten the ear canal. Use a syringe device to gently direct water against the wall of the ear canal. Then turn the head to the side to let the water out.
清除耳垢的另外一个方法是滴灌。头部直立,抓住耳廓,轻轻地将耳廓向上拉直。使用注射器直接向耳孔壁注水。然后将头偏向一边,让水流出。

The experts at NIH say you may have to repeat this process a few times. Use water that is body temperature. If the water is cooler or warmer, it could make you feel dizzy. Never try irrigation if the eardrum is broken. It could lead to infection and other problems.
国家卫生院的专家表示,这个过程要重复几次。水的温度要和体温一致。如果水过冷或过热,会使你感到晕眩。如果耳膜破裂,千万不要使用这种方法,否则可能会导致传染和其他问题。

After the earwax is gone, gently dry the ear. But if irrigation fails, the best thing to do is to go to a health care provider for professional assistance.
耳垢清除后,轻轻地将耳部擦干。但是如果滴灌的方法失败,最好的方法就是去医疗保健机构寻求专业帮助。

You should never put a cotton swab or other object into the ear canal. But you can use a swab or cloth to clean the outer part of the ear. Experts agree with the old saying that you should never put anything smaller than your elbow in your ear.

千万不要将棉棒或其他物体放入耳孔内。但是可以使用棉棒或布料来清洁耳朵外部。专家同意一个谚语的说法,你不能把比你胳膊肘小的东西放进你的耳朵里(寓意:小题大做)。

1.trap v.困住, 使陷入绝境

例句:Thirty miners were trapped underground after the fire.
起火后有三十名矿工被困在地底下。

使受限制

例句:I trapped a lie in my throat.
我把就要脱口而出的一句谎话忍住了。

2.commonly adv.通常地,一般地

例句:It is not a theory that is commonly subscribed to.
一般人并不赞成这个理论。

Leagues are commonly made for joint defence.
结成联盟往往是为了共同防御。

3.expel v.排出,喷出

例句:The whale expelled water from his blowhole.
鲸鱼从鼻孔排出水。

4.harden vt.vi.(使)变硬; (使)坚固; (使)硬化

例句:The snow hardened until ice was formed.
雪成冰后变硬了。

(使)变得坚强

例句:His mind hardened as he became used to difficulty.
他坚强起来了, 因为他已习惯于困难。

5.excessive adj.过度的, 过分的; 极度的

例句:She takes an excessive interest in clothes.
她过分注重衣着。

The prices at this hotel are excessive.
这家旅馆的价钱贵得过分。

6.upright adj.直立的, 垂直的

例句:He stood in an upright position.
他直直地站着。

7.dizzy adj.引起头晕的

例句:He drove the car at dizzy speed.
他以令人头晕的速度开车。
1.This can be a problem even though earwax appears to serve an important purpose.

even though

even though(=even if) 从属连词,意为:“即使,即令……也……;”引导让步状语从句。even if的从句中含有强烈的假定性,even

though则多以从句之内容为前提。例如:
Even if I have to sell my house, I'll keep my business.即使我卖掉房子,我还是要继续我的事业。
Even if he is poor, she loves him.(=He may be poor, yet she loves him.)即使他很穷,她还是爱他。

2.Experts say it protects and cleans the ear. It traps dirt and other matter and keeps insects out.

keep的用法

一、用作连系动词

构成系表结构:keep+表语,意为"保持,继续(处于某种状态)"。其中表语可用形容词、副词、介词短语等充当。如:
You must look after yourself and keep healthy.(形容词)你必须照顾好自己,保持身体健康。
Keep off the grass.(副词)请勿践踏草地。
Traffic in Britain keeps to the left.(介词短语)英国的交通是靠左边行驶的。
注意:一般情况下,keep后接形容词较为多见。再如:
She knew she must keep calm.她知道她必须保持镇静。
Please keep silent in class.课堂上请保持安静。

二、与介词或副词搭配,构成动词短语

1)keep away意为"(使)离开;(使)不接近",其后常接介词from。如:
Would you keep your dog away from my boy, please? 请把狗拉得离我孩子远点好吗?
Keep everybody away from the accident.人人远离事故!

2)keep back意为"阻止;留在后面"。如:
She sat down quietly, but she couldn't keep
back her tears.她静静地坐下来,却忍不住流下了眼泪。

3)keep together意为"在一起;动作协调"。如:
Keep together, please.请聚在一起。
The eight men kept together during the boat race as though they were one.赛船时,这8个人动作协调,好像一个人似的。

4)keep up意为"持续;使不低落"。如:
The noise kept up all night.噪音整夜持续着。
To keep your strength up, eat well and get enough sleep.为了保持力气,要吃好、睡足。

5)keep up with意为"跟上;和……来往"。如:
I'm trying my best to keep up with the others in class.我正在设法赶上班里的其他人。
Do you still keep up with Tom? 你和汤姆还有联系吗?

6)keep...in mind意为"把……记在心里"。如:
The teacher asked us to keep these sentences in mind.老师要我们把这些句子记在心里。

三、含keep的常用句型

1)keep doing sth. 意为"继续干某事",表示不间断地持续干某事,keep后不能接不定式或表示静止状态的v-ing形式,而必须接延续性的动词。如:
He kept working all day, because he wanted to finish the work on time.他整天都在不停地工作,因为他想准时完成工作。
Keep passing the ball to each other, and you'll be OK.坚持互相传球,你们就行。

2)keep on doing sth. 意为"持续做某事"。如:
The pupil kept on asking me the same question.这个学生不断地问我同一个问题。
I kept on thinking about the match in the afternoon.我总是想起下午的那场比赛。

3)keep...from doing sth.意为"阻止/防止……做某事"。如:
The heavy snow kept us from going out.大雪使我们不能出去。

3.But you can have too much of a good thing.

can have too much,表示如果太多就过火,过犹不及。

4.People can also cause a blockage when they try to clean out their ears, but only push the wax deeper inside.

clean out打扫,清洗

He cleaned out his room.
他打扫了房间。

5.But if irrigation fails, the best thing to do is to go to a health care provider for professional assistance.

不定式做主语,表语。注意,在动词不定式做主语时,表语要保持对应,动词也要用不定式的形式
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