词语

吐故纳新废弃旧的吸收新的。英exhalling the old and inhalling the new; get rid of the stale and take in the fresh;人体的呼吸过程谓呼出二氧化碳，吸进新鲜空气。比喻扬弃陈旧的、无用的吸收新鲜的、有用的。英breathe;