英语词汇on op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

英汉双解词典包含2273206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。

单词	on op
释义	on prep — 关于 prep
随便看	i have already made i have already made this point I have already mentioned I have already mentioned i have already met i have already organised i have already organized I have already owned I have already owned i have already paid i have already paid the bill i have already participated i have already passed on i have already planned i have already proposed to I have already purchased I have already purchased i have already read I have already read i have already referred i have already registered i have already requested i have already required i have already reserved i have already resigned

on prep —