心电图显示他的心跳正常。

The ECG showed that his heartbeat was normal.

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The ECG showed that his heartbeat was normal.

ECG 是 electrocardiogram 的缩写,由 electro-(电的)、cardio-(心脏)和 -gram(记录)组成,字面意思是"心脏电活动的记录",即"心电图"。

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