the greying of somethingthe situation in which the average age of a population increases, so that there are more old people than there were in the past 某个人群的老龄化 the graying of classical music audiences 古典音乐听众的老龄化
the greying of something• Jacob, trim in his dinner-jacket, his dark eyes sparkling darker against the greying of his thick hair.
→ the greying of something at greying(1)