名词
中文翻译：胸大静脉
同义词：
['thoracic veins', 'pectoral artery']
例句：
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1.The surgeon carefully dissected the pectoral veins to remove the tumor.
外科医生小心翼翼地解剖胸大静脉，以切除肿瘤。
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2. During exercise, the pectoral veins are dilated to increase blood flow.
运动时，胸大静脉扩张以提高血液流动。
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3. The patient's chest was elevated to relieve pressure on the pectoral veins.
患者胸部抬高以减轻对胸大静脉的压力。