ostein翻译_读写
ostein 朗读
ostein
音标：ɒstiːɪn
ostein翻译
ostein双语用法和例句
相关单词
ots objurgatory owler occident odontorhynchous overbridge oogonium obnoxious ophiophagous oop orbivirus oversupply overreliance overpower ovicidal officer obstructionism outlandish orad omsk