英语词汇老大难的读音、翻译及短语词组释义-英汉双解词典

单词	老大难
释义	老大难lǎodànán[knotty be hard nut to crack be long-standing,big and difficult problem] 形容问题很多,积重难返,不易改进的情况老大难的技术问题
随便看	oppression leading to confession oppressive oppressor opprobrious opprobrium oppugn oppugner oprational version op register opromazine opsialgia opsigenes opsin opsinogen opsiometer opsionosis -opsis opsiuria opsoclonia opsogen opsomania opsomenorrhea opsone opsonic opsonic action

英汉双解词典收录913115条英汉汉英双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。