英语词汇on (或 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	on (或 upon) the lookout
释义	on the lookout 寻找，寻觅(某物) (常与for连用) 注视着；警惕着；警戒；瞭望着[原为航海用语]
随便看	negative copy negatived negative dihedral negative electricity negative electrode negative element negative equity negative eugenics negative euthanasia negative evidence negative feedback negative feedbacks negative flag negative g negative geotropism negative glow negative-grid thyratron negative growth negative hallucination negative impedance negative-impedance repeater negative income tax negative instance negative interest negative interference

英汉双解词典包含483723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。