英语词汇upon the lookout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	upon the lookout
释义	upon the lookout 简明释义密切注意着
随便看	reference noise reference noise source reference normal serum reference note reference nuclear power plant reference number reference number reference object reference object ratio reference of axes reference offset reference of reference reference oil reference operating condition reference operating conditions reference operator reference orbit reference order reference organ reference orientation reference oscillation reference oscillator reference output reference output level reference output power level

英汉双解词典包含3185865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。