英语词汇an unknown quantity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	an unknown quantity
释义	an unknown quantity 1. 【数】未知量 2. 未知因素；行动莫测的人；难以预测的事 To her the outside world was a totally unknown quantity. 对她说来，外部世界完全是个未知数。
随便看	silver medal silver medalist silver medalists silver medallist silver medals silvern silverness silverness silvernesses silver nitrate silver nitrates silver oxide silver paper silver papers silver perch silver perches silver picrate silver plate silver-plate silver-plated silver-plated silver plates silver-plates silver-plating silverpoint

英汉双解词典包含548777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。