orals口板oraladj.口头的；口部的；口语的n.口试oral purchasing口头采购oral competence口语能力oral thermomete口腔温度计, 口表oral spirochete[医] 口螺旋体oral dependence口欲性依赖oral production口语oral physiology口腔生理学oral surgery.口腔外科oral absorption口腔吸收Oral sexual act口性动作