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时差N小时 睡觉不打喷嚏

时间:2021-07-29 09:23来源:互联网 提供网友:nan   字体: [ ]
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    (单词翻译:双击或拖选)

The signs are unmistakable: the eyes water, the chest heaves, the nose twitches1, the body tenses, suspense2 builds... until finally a sneeze blasts forth3, concluding the drama.

眼睛湿润,胸部隆起,鼻子一阵抽搐,身体紧绷,就这样待定着,到最后一个喷嚏响起,像是演了一出戏剧!

It's a momentarily paralyzing experience that can seize one at almost any time.

这使得人的身体短暂麻痹,它几乎可以在任何时间让一个人给紧缩。

But try and recall if you've ever been jarred out of a peaceful sleep by an explosive sneeze.

但是,试想你曾经有过在安详的睡眠中被一个突然的喷嚏给震醒的情况吗?

Chances are you can't, because, thankfully, we don't sneeze while we sleep.

你是不会有的,因为很庆幸,我们在睡觉的时候不会打喷嚏。

To understand why, first we need to know why we sneeze while we're awake.

要理解其原因,我们首先需要了解为什么我们会在醒的时候打喷嚏。

Sneezing is a reflex, which means that it's an uncontrollable physical response to an outside stimulus4.

打喷嚏是一种反射,也就是说它是一种生理对外界环境的反应,不可控制。

When something, say a piece of dust or a strong odor, stimulates5 nerve endings in the lining6 of the nose, the stimulus travels to the central nervous system and is then routed back to the muscles of the face, throat and chest.

有时候,像一颗尘埃或一股强烈的味道刺激了鼻子里的神经末梢,这个刺激就会到达中枢神经系统,继而再返回到脸部、喉咙和胸部的肌肉。

Once stimulated7, these muscles go to work and cause us to forcefully expel air from the mouth and nose.

这些肌肉一旦被刺激,它们就会运动,导致我们强有力的排出口腔和鼻子里面的空气。

Or, in other words, we sneeze.

或者,换句话说就是打喷嚏。

Because the nose lining tends to swell8 when we lie down, making it even more sensitive to sneeze-causing particles, it would seem that sneezing would be likely during sleep.

因为在我们躺下的时候,鼻子里面部分趋于隆起,这使得它对引起打喷嚏的微小颗粒更加敏感。这样看来,似乎在睡觉的时候更容易打喷嚏。

However, since there is little airflow in most bedrooms at night, and little movement to stir up dust and other particles, the nose is not bombarded by as many foreign particles as it is during the day.

然而,由于我们的卧房里在晚上几乎没有空气流动,也没有什么运动会扬起灰尘及其它微粒,所以就不会有像白天那么多外界微粒来刺激我们的鼻子。

Furthermore, the area of the brain responsible for the sneeze reflex relaxes while we sleep.

而且,当我们睡觉的时候,脑袋中负责打喷嚏反射的区域也休息了。

So, even when a particle does touch the nose lining, the brain doesn't notice, and we don't sneeze.

所以,即使有微尘碰触了鼻子内部,大脑也没意识到,我们就不会打喷嚏。


点击收听单词发音收听单词发音  

1 twitches ad4956b2a0ba10cf1e516f73f42f7fc3     
n.(使)抽动, (使)颤动, (使)抽搐( twitch的名词复数 )
参考例句:
  • No response, just a flutter of flanks and a few ear twitches. 没反应,只有胁腹和耳朵动了几下。 来自互联网
  • BCEF(50,100 mg·kg~-1 ) could distinctly increase the head-twitch number in the 5-HTP induced head-twitches test. BCEF50、100mg·kg-1可明显增加5羟色胺酸诱导甩头小鼠的甩头次数。 来自互联网
2 suspense 9rJw3     
n.(对可能发生的事)紧张感,担心,挂虑
参考例句:
  • The suspense was unbearable.这样提心吊胆的状况实在叫人受不了。
  • The director used ingenious devices to keep the audience in suspense.导演用巧妙手法引起观众的悬念。
3 forth Hzdz2     
adv.向前;向外,往外
参考例句:
  • The wind moved the trees gently back and forth.风吹得树轻轻地来回摇晃。
  • He gave forth a series of works in rapid succession.他很快连续发表了一系列的作品。
4 stimulus 3huyO     
n.刺激,刺激物,促进因素,引起兴奋的事物
参考例句:
  • Regard each failure as a stimulus to further efforts.把每次失利看成对进一步努力的激励。
  • Light is a stimulus to growth in plants.光是促进植物生长的一个因素。
5 stimulates 7384b1562fa5973e17b0984305c09f3e     
v.刺激( stimulate的第三人称单数 );激励;使兴奋;起兴奋作用,起刺激作用,起促进作用
参考例句:
  • Exercise stimulates the body. 运动促进身体健康。 来自《简明英汉词典》
  • Alcohol stimulates the action of the heart. 酒刺激心脏的活动。 来自《现代英汉综合大词典》
6 lining kpgzTO     
n.衬里,衬料
参考例句:
  • The lining of my coat is torn.我的外套衬里破了。
  • Moss makes an attractive lining to wire baskets.用苔藓垫在铁丝篮里很漂亮。
7 stimulated Rhrz78     
a.刺激的
参考例句:
  • The exhibition has stimulated interest in her work. 展览增进了人们对她作品的兴趣。
  • The award has stimulated her into working still harder. 奖金促使她更加努力地工作。
8 swell IHnzB     
vi.膨胀,肿胀;增长,增强
参考例句:
  • The waves had taken on a deep swell.海浪汹涌。
  • His injured wrist began to swell.他那受伤的手腕开始肿了。
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