ageing

n.老化

afterbirth, afterglow, afterlife, aftermost, afternoon, afternoons, aftershave, afterthought, afterward, afterward(s), afterwards, again, against, agape, agate, age, age of consent, age-group (also age-bracket), age-old, aged, ageing (also aging), ageism (also agism), ageless, agelong, agency, agenda, agent, agent provocateur, agglomerate, agglomeration, agglutinate, agglutination, agglutinative, aggrandize, aggrandize, aggrandise, aggrandizement, -isement, aggravate, aggravated, aggravating, aggravation,