improver

剑桥词典

someone who makes changes to something in order to improve it
改进者；改进物
home improvers 进行家居修缮的人
UK
someone who is becoming better at a skill
进步者，提高水平者
We run swimming classes for improvers. 我们为游泳水平提高者开设游泳课程。
UK
a substance that is added to something to improve its quality
改良剂
Our bread does not contain preservatives , flour improvers, or other additives . 我们的面包不含防腐剂、面粉改良剂和其他添加剂。
soil improver 土壤改良剂 返回 improver