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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 garbled, 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, muffled, 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 decibels 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 fetus 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 rumble 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。
译文为可可英语翻译，未经授权请勿转载!
