improver中文什么意思

n.
1.改良者，改进者；改进物。
2.见习生，学徒。

• air improver:    空气净化器
• bread improver:    面包改良剂; 面包增酵剂；面包助酵剂
• cetane improver:    十六烷值增进剂

例句与用法

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1. He had been visiting a friend in a neighbouring country, and that friend having recently had his grounds laid out by an improver .
   他刚去邻居看望过一个朋友，他的这位朋友最近请了一位改建专家改建了庭园。
2. Soil improvers and growing media - determination of ph
   土壤改良剂和培养基. ph值测定
3. Soil improvers and growing media - determination of ph
   土壤改良剂和生长剂. ph值的测定
4. Soil improvers and growing media - sampling
   土壤改良剂和生长介质.取样
5. Research into the synthetic fibre oiliness improver
   合成纤维油剂的研究

英文释义

名词

1. 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"
   同义词：addition, add-on
2. someone devoted to the promotion of human welfare and to social reforms
   同义词：humanitarian, do-gooder