名词
中文翻译：脐带
同义词：
['umbilical cord', 'umbilical ring', 'umbilical stump']
例句：
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1. The baby's umbilical cord was wrapped tightly around his leg.
宝宝的脐带紧紧地缠绕在他的腿上。
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2.The doctor removed the umbilical stump to perform the surgery.
医生切除了脐带以进行手术。
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3.After birth, the umbilical cord is usually cut and discarded.
出生后，通常剪断并丢弃脐带。