episiotomy
episiotomy[ɪˌpiːsɪˈɒtəmi, ɛ-](pl. -ies)- a surgical cut made at the opening of the vagina during childbirth, to aid a difficult delivery and prevent rupture of tissues
外阴切开术
语源- late 19th cent.: from Greek epision 'pubic region' + -tomy
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