名词
中文翻译：后段动脉
同义词：
['posterior branch', 'posterior artery例句：1. The posterior segmental artery is responsible for supplying blood to the lower extremities.（后段动脉负责向下肢供血。）']
例句：
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1. The posterior segmental artery is responsible for supplying blood to the lower extremities.
后段动脉负责向下肢供血。
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2. The posterior segmental artery was damaged during the surgery.
手术中后段动脉受损。
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3. The posterior segmental artery is an important part of the cardiovascular system.
后段动脉是心血管系统的重要组成部分。