orals口板oraladj.口头的；口部的；口语的n.口试oral argument口头辩论Oral vaccines口服疫苗oral solutions口服液剂Oral operation口腔手术oral tradition口头文学传统oral agreement口头协议oral diagnosis口腔诊断学oral digestion口腔消化oral education口传教育Oral musositis口腔黏膜炎