名词
中文翻译：胸小肌
同义词：
['pectoral muscle', 'minor pectoral muscle']
例句：
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1.This is the smallest pectoral muscle in the human body.
这是人体中最小的胸小肌。
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2. The doctor performed a surgery on his injured pectoral muscle.
医生为他受伤的胸小肌进行了手术。
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3.He lifted weights to strengthen his minor pectoral muscle.
他举重来加强他的最小胸小肌。