定义
aging (US), ageing (UK): 老化，陈化，熟化
The walls of this apartment show slight signs of aging. 这间公寓的墙壁显露了轻微的老化迹象。
This armchair presents signs of aging on the upholstery. 扶手椅的垫衬物呈现老化的迹象。
(an) aging (population): （人口）老龄化
- "Seeing as this machine was only 9 months old, this replacement was not a result of aging, but of mistreatment."
- "Icarus : Hee hee, the aging population is certainly a drain on resources, yes."
