英语词汇up-and-down怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	up-and-down
释义	up-and-down ˈʌpənˈdaʊn  1 ADJ 起伏的moving, executed, or formed alternately upwards and downwards 起伏的 2 前前后后的backwards and forwards (along) 前前后后的
随便看	racing racing racings racism racist racist racists rack rack brains racked racker rackers racket racketball racketed racketeer racketeering racketeerings racketeers racketing rackets rackety rackful racking racking

英汉双解词典包含141091条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。