听到他们心跳
Hear their hearts beating
以上为机器翻译结果，长、整句建议使用 人工翻译 。
我听到他们的心跳声。
I heard their heart beats.
youdao
所以这些奇迹就这样发生了，宝宝们能感受到父母的温度，还能听到他们的心跳，所以宝宝们奇迹般好起来。
And then these miracles would happen, where the babies would feel their parents' warmth and hear their heart beat, and the babies would, miraculously, start to thrive.
它可以听到他们的心跳。
It can hear their hearts beating.
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