Doctors only realised Mr Green's incredible heart rate after they hooked him up to an ECG machine for 24 hours.

医生们让格林在心电图机器前扫描了24小时后，才意识到他不可思议的心跳速率。

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Doctors only realised Mr Green's incredible heart rate after they hooked him up to an ECG machine for 24 hours.

医生们让格林在心电图机器前扫描了24小时后，才意识到他不可思议的心跳速率。

youdao