英[ɪm'pruːvə]美[ɪm'pruːvə]
noun(名词)
双解例句
noun(名词)
someone devoted to the promotion of human welfare and to social reforms
同义词:humanitarian / do-gooder
a component that is added to something to improve it
面包改良剂,面包助酵剂,面包增酵剂,改良剂
粘度指数改善剂,改善粘度添加剂,粘指剂
助燃剂,燃烧促进剂
油性添加剂,油性改进剂,油性增加剂
托裙腰垫,妇女托裙腰垫
流动性改进剂,减阻剂,流动改进剂,改进剂
导电助剂
面粉改良剂,面粉改进剂
改善粘度添加剂;粘指剂;(机油的) 粘度指数改善剂