purifying ['pjʊərɪfaɪɪŋ]以下由轻松背单词网站提供
单词级别附加级基本释义精制; 提纯; 净化; 精炼参考例句They set up purifying systems in places where the water was not potable. 他们在许多水质不适合饮用的地方建立了净化系统。Changing iron into steel is a process of purifying the iron. 把铁炼成钢是铁的精炼过程。 推荐阅读 |