obviation用法_例句
obviation 朗读
obviation
音标：ˌɒbvɪ'eɪʃən
obviation翻译
obviation双语用法和例句
相关单词
orel ordovician optional officialize occupational orchidist osiris offenseless oculomotor overcapitalize orotund opinion overcast overlearn odorless overhit ontogenesis ordines organa outspan