名词
中文翻译：Unknown
同义词：
['cardiac', 'cardiac', 'cardio', 'heart', 'myocardium']
例句：
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1. The patient's heart rate is elevated due to the stress of the situation.
由于紧张的情况，患者的心率升高。
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2. Cardiologists are specialists in the diagnosis and treatment of heart diseases.
心脏病专家是心脏病诊断和治疗的专家。
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3. The surgeon performed a successful heart surgery on the patient.
外科医生成功地为患者进行了一次心脏手术。