adj.多余的；可以出让的；备用的；薄弱的n.(机器等的)备件；俭省；〈美〉(头两个球把十柱打得)全倒；替换品v.节省；抽出；宽恕；救命网络空闲的；节约；补中变形：复数：spares现在分词：sparing过去式：spared双语释义：v.(动词)vt. 节省,节约,舍不得,吝惜 keep from using, spending, etc.vt. 抽出,让给,分出,匀出,腾出 give up (sb/sth that is not being used or is not needed); afford