improver

英 [ɪm'pruːvə] 美 [ɪm'pruːvə]

• n. 改良者；改善者；改进剂

英英释义

Noun:

1. someone devoted to the promotion of human welfare and to social reforms

2. a component that is added to something to improve it;

   "the addition of a bathroom was a major improvement"
   "the addition of cinnamon improved the flavor"
   

例句

用作名词 (n.)

1. A paving asphalt penetration ratio improver was introduced.
   介绍了一种提高道路沥青针入度比的改进剂。
2. Cyclohexyl nitrate is an effective cetane number improver for diesel oil.
   硝酸环己酯是一种有效的柴油十六烷值改进剂。

经典引文

• His apprentices, improvers and the rest were atrociously lodged.

  出自： J. Fowles

词汇搭配

• dress improver 托裙腰垫
• lead susceptibility improver 加铅效果改善剂...
• color improver 颜色改良剂
• combustion improver 燃烧促进剂
• cetane improver 十六烷值添加剂...
• fluidity improver 流动性改进剂...
• ignition quality improver 发火性增进剂...
• diesel fuel improver 提高柴油机燃料十六烷...

近反义词

【近义词】

• reformer 改革家
• campaigner 从军者
• activist 活动分子
• crusader 十字军战士
• agitator 鼓动者
• add-on 追加
• do-gooder 空想的社会改良家...
• humanitarian 人道主义者
• addition 增加