improver

剑桥词典

someone who makes changes to something in order to improve it
改進者；改進物
home improvers 進行家居脩繕的人
UK
someone who is becoming better at a skill
進步者，提高水平者
We run swimming classes for improvers. 我們爲遊泳水平提高者開設遊泳課程。
UK
a substance that is added to something to improve its quality
改良劑
Our bread does not contain preservatives , flour improvers, or other additives . 我們的麪包不含防腐劑、麪粉改良劑和其他添加劑。
soil improver 土壤改良劑 返回 improver