occasional读音_例句
occasional 朗读
occasional
音标：ə'keɪʒənəl
occasional翻译
occasional双语用法和例句
相关单词
osteomalacia orgie octavian octopus orangeism ostrichlike odorless outfall ocelot outfielder oddish oncidium obscurantist overdue overfly oligomycin observational orache organization osteopath