英语词汇bone up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	bone up
释义	bone up HbEJn, $boJn v adv [I] infml to learn as much as you can about something for a special reason 苦学，专心致志地学 She boned up on economics before applying for the job. 申请工作前她专心致志地学习了经济学。
随便看	spelunking spend spend spend spend spender spending spendthrift spent sperm spermatozoon spermicidal spermicide sperm whale spew SPF sphere sphere spherical spheroid sphincter sphinx spic spice spice

英汉双解词典包含44095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。