median episiotomy [妇产] 会阴正中切开术
episiotomy natual laceration 自然裂伤
left mediolateral episiotomy 左中侧外阴切开术
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以上来源于: WordNet
N surgical incision into the perineum during the late stages of labour to prevent its laceration during childbirth and to make delivery easier 会阴切开术
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