The snake listens for a heartbeat.
原来,蟒蛇会听老鼠的心跳。
And did you listen for a heartbeat?
那你有听听他的心跳吗?
Frank Griffith: Anyone check you for a heartbeat recently?
弗兰克:最近有人检查过你的心跳么?
For a choking victim who is unconscious with no heartbeat, clear the airway first.
VOA: special.2009.08.11
The headphones are amplifying their heartbeat and the slides are moving one after another for a few seconds each slide and they're listening to their heartbeat.
耳机放大他们的心跳,幻灯片一张接一张,每张停留几秒钟,他们听着自己的心跳。
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