noun 下载 🔗分享 静脉切开,放血疗法 The opening of a vein, either to withdraw blood or for letting blood; venesection. Examples : "The doctor ordered phlebotomy to draw blood for testing my cholesterol levels. " 医生开了静脉切开术,抽血检查我的胆固醇水平。 medicine physiology body anatomy 与AI对话词汇游戏阅读练习