单词 yellowing 释义 ▪ I. yellowing, vbl. n.1[f. yellow v.1 + -ing1.]The action of imparting a yellow colour.1611Cotgr., Iaulnissure,..a yellowing, or making yellow.1622T. Stoughton Chr. Sacrif. xii. 166 Thrift..is pleaded for this yellowing of linnen as...