中年的

例句：

1. 1. She is a middle-aged woman who has lived in the city for many years.
   她是一位居住在城市多年的中年妇女。
2. 2. The middle-aged couple decided to retire and travel together.
   这对中年夫妇决定退休并一起旅行。
3. 3. Middle-aged people often face health challenges that can be difficult to manage.
   中年人士往往面临健康挑战，这些挑战可能难以管理。