英语词汇runs 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	runs up and down
释义	up and down — 上下 ups and down— 低昂
随便看	differ radically differ remarkably differs about differs according to differs across differs a little differs a lot differs a lot from differs among differs as follows differs as well differs between differs between people differs by about differs by more differs by one differs considerably differs considerably from differs depending differs dramatically differs essentially from differs for differs for each type o differs from differs from country to country

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 —