名词
中文翻译：心脏的
同义词：
['cardiac', 'cardiac']
例句：
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1. The heart is the organ responsible for pumping blood throughout the body.
心脏是负责将血液泵送到全身的器官。
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2. Cardiologists specialize in the diagnosis and treatment of heart diseases.
心脏病学家专门从事心脏病的诊断和治疗。
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3. During exercise, the heart rate increases to support the body's needs.
在运动时，心率会增加以支持身体的需要。