英语词汇pace 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	pace up and down
释义	up and down — 上下 ups and down— 低昂
随便看	both, personally and both, personally and both, personally and both perspectives both phases both pieces both plain both planes both planning both players both pleasant both points of view both poles both, politics both ports both positions both positive and negative both positive and negative sides both positives both possibilities both premise both present and future both prevent both previous both prices

英汉双解词典包含2273206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。

up and down —