英语词汇improve upon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	improve upon
释义	improve — 改善 • 改良 • 完善 • 进步 • 好转 • 好起来 upon — 上 improve v — 提高 v
随便看	combined knowledge and experiences combined labor combined length combined limit combined limit for combined load combined long term combined management combined manner combined market combined market share combined market value combined marking combined mathematics combined maximum combined message combined midrange combined modality therapy combined modality treatment combined movements combined mpg combined name combined national income combined negative effect combinedness

英汉双解词典包含2273206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。

improve —