资料来源 : pyDict

成熟

资料来源 : WordNet®

ageing
     adj : growing old [syn: {aging}, {senescent}]
     n 1: acquiring desirable qualities by being left undisturbed for
          some time [syn: {ripening}, {aging}]
     2: the organic process of growing older and showing the effects
        of increasing age [syn: {aging}, {senescence}]