英语词汇power 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	power up and down
释义	up and down — 上下 ups and down— 低昂
随便看	organosilicon chemistry, organo-sulfur compounds organotin compounds organotypic culture organ performance organ pipe organ pipes organ preservation organ procurement organ recovery organ rejection organ-related organ removal organs organs associated with organ sharing organs in our body organs institutions organs involved organs of society organs of State organs of State power organs of the Assembly organ specific organs prepare,

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 —