名词
中文翻译：Unknown
同义词：
['cardiac contraction', 'cardiac systole']
例句：
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1. Diabetic patients often experience cardiac contractions during their daily activities.
糖尿病患者在日常活动中经常经历心脏收缩。
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2. The heart's cardiac contractions are essential for the body's circulation system.
心脏的心脏收缩对于身体的循环系统至关重要。
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3. During cardiac contractions, the heart pumps blood to the rest of the body.
在心脏收缩期间，心脏将血液泵送到身体的其他部位。