He wound the tape back to the beginning.
他把磁带倒到了开头。
The camcorder winds the tape back or forward at high speed.
便携式摄像机可以高速度倒带或快进。
The experimenter is back there with the speed knob and at random intervals, he just speeds up the tape of their heart and then slows it down.
实验者带着速度旋钮回到那里,在随机的时间间隔里,他只是给他们的心跳录音带加速,然后再减速。
I just went out and I won and then like 'Ahhh.'" Another Jamaican,Kerron Stewart, just missed catching Fraser at the tape and finished with the silver medal, 2/100ths of a second back.
VOA: standard.2009.08.18
And the experimenter is back there with the speed knob and at random intervals he just speeds up the tape of their heart and then slows it down.
实验者回到实验室,带着录音设备,随机地,他加速了心跳的录音,然后又慢下来。
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