名词
中文翻译：胸大肌的下部
同义词：
['subclavius', 'pectoralis major']
例句：
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1.The doctor performed a surgery on the patient's chest to treat his heart condition.
医生为病人的胸部进行了手术，以治疗他的心脏病。
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2. During the race, the runner had to push himself forward with all his might, using his muscles to overcome the obstacles.
在比赛中，跑步者必须用尽全力，利用肌肉克服障碍。
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3. The athletes are required to warm up their muscles before each match to prevent injuries.
运动员在每场比赛前都需要热身，以防止受伤。