英语词汇“up and down”的读音、翻译、释义、用法及例句-高考报名网

词汇	up and down
释义	up and down adv.（副词 adverb）一上一下;起伏地来来回回,往返地到处,四面八方详尽地,透彻地
随便看	pataphysics Patavinity pat-ball patch patchboard patch cord patchery patchouli patch panel patch pocket patch reef patch test patchwork patchwork quilt patchy patd. pat-down search pate pated patella patellar reflex patellate patelliform paten patency

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