单词	delta operator
释义	delta operator δ算符
随便看	cold power spinning cold-prass oil cold precipitator cold preliming cold preservation cold-press cold press cold press bed cold press dewaxing cold pressed cold-pressed cold-pressed and sintered bronze cold pressed and sintered bronze cold pressed compact cold-pressed compact cold pressed cotton seeds cold pressed essential oil cold pressed joint cold pressed juice cold pressed nut cold-pressed nut cold pressed oil cold-presseds cold-pressed sheet steel cold pressed steel rwhc rwjp rwkr rwqq rwqs rwqsrjqr rwrs rwsf rwwq rwwz むだん【無断】むだ遣いむちむちむちむち【無恥】むち【無知（無智）】むち【鞭・笞・策】むちうちしょうむちうちしょう【鞭打ち症】