英语词组be up on sth是什么意思，短语翻译、用法及例句-英语词组固定搭配大全

词组	be up on sth
释义	idiombe up on sthknow sthspoken to know a lot about a particular subject:That kid's really up on his Roman history, isn't he?Dad won't be much help - he's not very well up on pop music.
随便看	leaching out of leaching something away leaching something out of leach into leach into (something) leach it away leach it out of leach out leach out of leach something away leach something out of lead lead a cat-and-dog life lead a cat and dog life lead a charmed existence lead a charmed life lead a chase lead a dance lead a dog life lead a dogs life lead a dog's life lead a dogs' life lead a double life lead against lead a life of

英语词组固定搭配大全包含354030条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。