oligocene读音_例句
oligocene 朗读
oligocene
音标：ɒˈliɡəʊsiːn
oligocene翻译
oligocene双语用法和例句
相关单词
orthodontist oestrus oktastylos opposite oldster overhit orthographic omnific orphean obstetrics outset ochre odiousness oxyphil oxytone osfcw obcordate oxycalcium ogaden outnumber