bone up on
柯林斯词典
1. PHRASAL VERB If you bone up on a subject, you try to find out about it or remind yourself what you have already learned about it. 钻研; 温习
I had spent the last few months boning up on neurology. 我前几个月都在钻研神经病学。
返回 bone up on
1. PHRASAL VERB If you bone up on a subject, you try to find out about it or remind yourself what you have already learned about it. 钻研; 温习
I had spent the last few months boning up on neurology. 我前几个月都在钻研神经病学。