dun/dʌn; dʌn/ adj, n (of a) dull greyish-brown colour 暗褐色的; 暗褐色.dun / dʌn; dʌn/ v (-nn-) [Tn]persistently demand payment of a debt from (sb) （不断地向某人）讨债; 催讨债款.
牛津英汉双解词典