生活中的10个冷知识，你知道吗？英文双语对照

1. 为什么狗会汪汪叫？

狗用汪汪声吠叫是因为它们通过这种方式模仿狼群中的年幼成员，以此来吸引主人的注意。

2. 为什么手指会皱起来？

手指在长时间浸泡在水中后会变得皱起来，是因为皮肤细胞吸水膨胀，而手指的外层皮肤相对较 stratum corneum 时容易变形。

3. 为什么月亮会在白天出现？

月亮之所以在白天出现，是因为它和地球的相对位置关系。月亮绕地球轨道运动，不断变换相对位置，因此会在地球的白天和黑夜都出现。

4. 为什么大脑会产生“耳虫”？

大脑产生“耳虫”是一种临时性感知错觉，通常出现在一个人心情紧张或焦虑的时候，大脑会将周围的杂音误认为耳朵里有虫子在爬。

5. 为什么眼泪会让人情绪舒缓？

眼泪中含有一种被称为神经生长因子的物质，它能够缓解情绪和疼痛，并且对身体具有抗菌作用。所以眼泪可以让人情绪得到舒缓。

6. 为什么我们会打呵欠？

打呵欠有助于让大脑得到更多氧气，并且能够帮助清醒和提神。同时，打呵欠也能让我们的大脑冷静下来，化解压力。

7. 为什么手指会有指纹？

手指上的指纹是由胎儿时期的皮肤生长发育过程中褶皱形成的，每个人的指纹都是独一无二的，就像人的DNA一样。

8. 为什么我们会打喷嚏？

打喷嚏是身体帮助我们清除鼻子中的异物和刺激物的一种自然反应，这样可以保护呼吸道不受损害。

9. 为什么我们会流口水？

口水的分泌可以帮助我们消化食物，保持口腔湿润，并且能够起到保护口腔健康的作用。

10. 为什么我们会梦到掉下去而醒来？

这种梦境通常被称为“惊梦”，是由于大脑在快速眼动睡眠阶段出现干扰，造成身体感知出现错乱而产生的一种梦境反应。

感谢您阅读本文，希望这些冷知识能够让您对生活中的一些现象有更深入的了解。

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英文翻译对照，仅供参考

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1.Why does meeting bark make the dog?

Because they pass this kind of means to imitate a wolf,the dog barks with tearful sound is group year of medium young member, will draw master attention with this.

2.Why is finger pursy come?

Finger is immersing for long to be able to become pursy after water is medium come, because skin cell is bibulous,be expand, and what the hand points to is outer the skin is opposite relatively changeful entity is allowed when Stratum Corneum.

3.Why is the moon met does days appear?

Moon days appears, because the relative position of it and earth affects,be. The moon winds earthly orbit campaign, buy of counterpoint of ceaseless commutation photograph, because this is met,appear in the earth with the night by day.

4.Why can cerebrum arise " ear bug " ?

Cerebrum arises " ear bug " it is illusion of perception of a kind of provisionality, when appearing in insecurity of state of mind of a person or angst normally, cerebrum can think the cacophony all round to there is worm in ear by accident climbing.

5.Why can tear make favor mood slow?

A kind of nerve that be called is contained to grow in tear the material of factor, it can alleviate mood and ache, and be had to the body fight bacterium action. So tear can let favor mood get slow.

6.Why can we yawn?

Yawn conduce to let cerebrum get more oxygen, and can be helped regain consciousness and life-giving. In the meantime, the cerebra that yawns to also can let us comes down calmly, dissolve pressure.

7.Why can finger have loops and whorls on a finger?

The dactylogram on finger is grow by the skin of fetal period the drape in development process forms, the dactylogram of everybody is unique, the DNA that resembles a person is same.

8.Why our meeting sneeze?

Sneeze is the body helps us a kind of natural reaction of the eyewinker in cleared nose and exciter, can protect respiratory tract to not be damaged so kill.

9.Why our meeting dribble?

Of saliva secrete can help us digest food, maintain oral cavity wet, and can have the effect to health of protective oral cavity.

10.Why to our meeting dream arrives and awake?

This kind of dream is called normally " Jing dream " , because cerebrum uses Morpheus phase occurrence molestation in quick look,be, cause body perception to appear unbalanced and the reaction of a kind of dream of generation.

Thank you to read the article, a few phenomena in hoping these cold knowledge can make you right live have more thorough knowledge.