英语词汇concentrate hard on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	concentrate hard on
释义	请查阅词条：concentrate
随便看	take under advisement take unfair advantage of take-up take up take up take up take up again take up all of someone's time take up a position take up arms take up arms take up arms against take up cudgels against take up cudgels for take up/in take up on take up (or pick up) the baton take up (or pick up) the baton take up (or throw down) the gauntlet take up (or throw down) the gauntlet take up residence in take-ups take up someone's whole attention take up the baton take up the cudgels

英汉双解词典包含464360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。