Improvers
(improver 的复数) n. 改良者, 改善者\\n[化] 改进剂; 助发剂; 助白剂
🗣️ 情景例句
I know it well.
我对它熟得很。
Never too late to mend.
过则勿惮改。
It was a good suggestion.thanks.
你建议得不错，谢谢。