Ageing

Immortal Hydra, a relative of the jellyfish

95-year-old woman holding a five-month-old boy

Ageing (British English) or aging (American English) is the process of becoming older. In the narrow sense, the term refers to biological ageing of human beings, animals and other organisms. In the broader sense, ageing can refer to single cells within an organism (cellular ageing) or to the population of a species (population ageing).

单词	Aged population
释义	Aged population 英语百科 Ageing Ageing (British English) or aging (American English) is the process of becoming older. In the narrow sense, the term refers to biological ageing of human beings, animals and other organisms. In the broader sense, ageing can refer to single cells within an organism (cellular ageing) or to the population of a species (population ageing).
随便看	washer washer and picker washer based nut washer boot washer bottle washer box washer breaks washer chamfer washer chamfer dimension washer coulmn washer cutter washer decontaminator system washer drier washerdrier Washer dryer washer element washeress washerette washer face washer faced bearing surface washer faced head washer faced hexagon nut washer faced nut washer fluid washer for air piston

Aged population

Ageing