英语词汇上上下下是什么意思，上上下下的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	上上下下
释义	ENGLISH PHRASES 英文词组〔above〕up above and down below 上上下下韦氏高阶〔wipe〕wipe down the steps with a soapy rag 用涂上肥皂的抹布把梯级上上下下揩得干干净净英汉大词典
随便看	valve cord valve core valve cottar valve cover valve cover gasket valve cup valve cylinder valve deck valve diagram valve diameter valve dimension valve disc valve discharge centrifuge valve effect valve electrode valve ellipse valve end valve events valve face valve face valve facing valve filament circuit valve flap valve flow performance valve follower

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。