You see a bleep going across the screen to indicate that they've got their finger on the pulse of what's happening, or you see it in TV shows like ER.

你们看到一个亮点在屏幕上来回跳动,来显示病人脉搏的,跳动情况,就像在急诊室的故事,这类电视中看到的那样

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The beat's kind of like the heartbeat.

节拍有点像心脏的跳动

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