时差N小时 胎儿能听到什么声音?(上)

Did you ever do this when you were young:

你年轻的时候有没有这样做过呢?

Dive to the bottom of a swimming pool with a friend,then have your friend yell a phrase into the water?

与朋友一起潜入游泳池底部，然后让你的朋友在水中冲你喊一句话。

You listen to the phrase all low and garbled¹, then try to guess what it was.

你听到模糊不清的句子，然后努力猜测那是什么。

This low, muffled², underwater noise is how the world would sound if you were inside a womb.

这种沉闷的水下声音就如你在还在子宫时能听得到的声音。

Researchers have placed tiny microphones inside a pregnant woman's uterus.

研究人员在孕妇的子宫体内安置了一个微型麦克风，

They found that outside noises became much lower and muffled, and about thirty decibels³ quieter.

他们发现外界的声音变得更小更低沉，安静了大概30分贝。

Do these noises just wash around the fetus⁴ like so much amniotic fluid, or can the fetus actually hear them?

这些声音只是像羊水那样环绕在子宫周围?还是胎儿能够听到它们?

Actually, after twenty eight weeks a fetus begins to hear the internal sounds of its mother's body-the rush of blood and the rumble⁵ of the digestive system.

事实上，28周后胎儿开始听到母亲体内的声音-血液流淌声和消化系统的隆隆声。

By the third trimester, the fetus can respond to external noises too.

到了妊娠晚期，胎儿也能对外界的声音有反应。

1 garbled   

adj.（指信息）混乱的，引起误解的v.对（事实）歪曲，对（文章等）断章取义，窜改( garble的过去式和过去分词 )

参考例句：

• He gave a garbled account of what had happened. 他对所发生事情的叙述含混不清。
• The Coastguard needs to decipher garbled messages in a few minutes. 海岸警卫队需要在几分钟内解读这些含混不清的信息。 来自辞典例句

2 muffled   

adj.（声音）被隔的；听不太清的；（衣服）裹严的；蒙住的v.压抑，捂住( muffle的过去式和过去分词 )；用厚厚的衣帽包着（自己）

参考例句：

• muffled voices from the next room 从隔壁房间里传来的沉闷声音
• There was a muffled explosion somewhere on their right. 在他们的右面什么地方有一声沉闷的爆炸声。 来自《简明英汉词典》

3 decibels   

n.分贝( decibel的名词复数 )

参考例句：

• The typical lawn mower makes about 90 decibels of noise. 典型的割草机发出的声响约为90分贝。 来自《简明英汉词典》
• A normal conversation reaches 55 decibels. 普通的谈话即可达55分贝。 来自《简明英汉词典》

4 fetus   

n.胎，胎儿

参考例句：

• In the fetus,blood cells are formed in different sites at different ages.胎儿的血细胞在不同时期生成在不同的部位。
• No one knows why a fetus is not automatically rejected by the mother's immune system. 没有人知道为什么母亲的免疫系统不会自动排斥胎儿。

5 rumble   

n.隆隆声；吵嚷；v.隆隆响；低沉地说

参考例句：

• I hear the rumble of thunder in the distance.我听到远处雷声隆隆。
• We could tell from the rumble of the thunder that rain was coming.我们根据雷的轰隆声可断定，天要下雨了。