宝宝的心跳低于140下每分钟。
通常人们认为每分钟65次心跳是良好的静息状态心率，但是我们并非必须要看心率——我们看的是连续的心跳之间间隔的变化程度。
Normally people think of 65 beats per minute as a good resting heart rate.
我永远不会忘记这一幕，我的心跳就像每分钟200下跳动。
I never forgot that, my heart was beating at like 200 beats per minute.
测量你每分钟的心跳和呼吸次数。
Measure your heartbeats and how many times you breathe per minute.
测量你每分钟的心跳和呼吸次数。
Measure your heartbeats and how many times you breathe per minute.
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