名词
中文翻译：后唇静脉同义词
同义词：
['posterior facial vein']
例句：
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1. The posterior labial vein is responsible for delivering blood to the brain.
后唇静脉负责将血液输送到大脑。
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2. During surgery, the surgeon carefully dissected the posterior labial vein to avoid damaging it.
在手术过程中，外科医生小心地分离了后唇静脉以避免损伤它。
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3. The patient's condition worsened after the posterior labial vein was severed.
患者的病情在切断后唇静脉后恶化了。