ageing

英['eidʒiŋ]

n. 变老, 成熟\n[化] 老化; 陈化; 老成; 熟化; 时效

n acquiring desirable qualities by being left undisturbed for some time\nn the organic process of growing older and showing the effects of increasing age\nv begin to seem older; get older\nv grow old or older\nv make older\ns growing old