operculum例句_释义
operculum 朗读
operculum
音标：əʊ'pɜːkjʊləm
operculum翻译
operculum双语用法和例句
相关单词
oceanian outplay oogamous occultist offender oncornavirus oaa ossianic oep okra orientate overcrust odontoscope oxyopia overclothe overwalk orbiculate oxenstjerna opacity oversleeue