此曲将会随着一个婴儿的哭喊声再度响起！

This song will begin once again, to a baby's cry.

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随着时间的推移——如何来测试一个婴儿对声音的感觉？

Time out - how do you test a baby? By tracking eye gaze.

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每次从多于一个孩子那里获得的比期望的更多，通常会伴随着较高的婴儿死亡率和母亲死亡率。

Any gains from having more than one offspring at a time might be expected to be like higher infant and maternal mortality rates.

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