Odyn.奥迪ODabbr.外直径 （=outside diameter)Odontopteryxn.齿鸟 (鹈形目；齿鸟科)odontopathic牙病的odontolithus牙积石odontocnesis[医] 龈痒Odontotermesn.土白蚁属odontophobia牙科手术恐怖症,牙恐怖,牙科手术恐怖odontography牙形描记法odontoclamis[医] 龈裹牙odouthemodia牙敏感odonthemodia牙敏感