improvement works

US 
UK 
  • un.整治工程
  • Web改善工程;改良工程;殖燕改正服务
un.
1.
整治工程

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard