noun 下载 🔗分享 静脉切开术,放血疗法 Cutting open or exposing a vein; phlebotomy. Examples : "The doctor ordered a venesection to remove excess iron from the patient's blood. " 医生开了放血疗法的医嘱,为了去除病人血液中过量的铁。 medicine anatomy body 与AI对话词汇游戏阅读练习