名词中文翻译
中文翻译：脐静脉
同义词：
['scimitar vein', 'sigmoid artery']
例句：
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1. The surgeon used a scalpel to cut through the sigmoid veins.
外科医生用手术刀切开了脐静脉。
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2. During surgery, it's important to avoid damaging the sigmoid veins.
在手术过程中，避免损伤脐静脉是很重要的。
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3. The patient had to undergo an emergency operation to repair the severed sigmoid veins.
患者不得不接受紧急手术来修复严重的脐静脉断裂。