supersession
US /ˌsuː.pɚˈseʃ.ən/
UK /ˌsuː.pəˈseʃ.ən/
名词
代谢
the act of replacing something, especially something older or more old-fashioned:
示例:
•
The supersession of agricultural laborers by skilled men with machinery had the effect of concentrating people in large cities.