英语短语词组词汇up and down sth的音标、释义、翻译、用法及例句-英语短语词组词典-老街网

短语	up and down sth
释义	up and down sthin one direction and then in the opposite direction along sth沿…来来回回I looked up and down the corridor.我来回扫视着走廊。
随便看	fractional sine wave fractionary fractionate fractionated fractionates fractionating fractionating column fractionation fractionations fractionator fractionators fraction defective fractionisation fractionise fractionised fractionises fractionising fractionization fractionize fractionized fractionizes fractionizing fraction of saturation fractious fractiously

老街网英语短语词组词典共收录525608条英汉双解短语词组词条，基本涵盖了全部常用短语词组的翻译及用法，是英语学习的有利工具。