orals口板oraladj.口头的；口部的；口语的n.口试oral suspension口服混悬剂oral proceeding口述程序oral water load突击饮水oral cast alloy口腔铸造合金oral vocabulary口语词汇oral disclosure口头公开oral illuminato口腔照明装置Oral microflora口腔微生物Oral web search语音检索oral arithmetic口算