英式:[ˈeɪdʒɪŋ]美式:[ˈeɪdʒɪŋ]
n.老化
动词age的现在分词形式.
=aging(美).
用作名词 (n.)
Ageing of the population continued. 人口持续老化。
An ageing nuclear reactor is an accident waiting to happen. 老化的核反应堆早晚会出事故。