Improver
n. 改良者, 改善者\\n[化] 改進劑; 助發劑; 助白劑
? 同義詞
??? 情景例句
What kind of exercises do you like to do?
你喜歡什么鍛煉方式？
Today is the first day of spring.
今天是春天的第一天。
Well, I'm afraid we have to go now.
哦，恐怕我們現在得走了。