operetta例句_释义
operetta 朗读
operetta
音标：ɒpə'retə
operetta翻译
operetta双语用法和例句
相关单词
oecology oppugnant opisthenar octavian offenceful oarless osee occupy organizer olericulture opus outfoot oestrum outlander obbligati orchotomy outlandish outwardly overdosage ovulary