operation读音_释义_翻译
operation 朗读
operation
音标：ɒpə'reɪʃən
operation翻译
operation双语用法和例句
相关单词
oscillator osteoblast oncogenicity ophthalmology ohmic onboard outguard outsat opuntia ouster outstink offtake ophiuran oviparous opera oophorectomize outcross ovir overfatigue obdurability