英语词汇improvement 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	improvement upon
释义	improvement — 进步 • 好转 • 转好 upon — 上 improvement n — 改善 n improve — 改善 • 完善 • 改良 • 进步 • 好转 • 好起来 improve v — 提高 v
随便看	initial eligibility Initial emergency response initial emergency response initial emission initial emphasis initial employees initial employment initial enabling initial enabling initial encounter initial encounter initial endowment initial endowment initial energy initial engagement initial enquiries initial enquiry initial enrollment initial enthusiasm initial entitlement initial entry initial entry initial environmental assessment initial environmental assessment initial environmental review

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。

improvement —