做为一种兴奋剂，咖啡因让你全身活跃，血压和心跳升高，在某些例子中导致心悸和心率不齐。
As a stimulant, caffeine jazzes up your whole body, increasing blood pressure, heart rate and in some cases, causing heart palpitations and an irregular heartbeat.
做为一种兴奋剂，咖啡因让你全身活跃，血压和心跳升高，在某些例子中导致心悸和心率不齐。
As a stimulant, caffeine jazzes up your whole body, increasing blood pressure, heart rate and in some cases, causing heart palpitations and an irregular heartbeat.
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