late 14c., from Old French superfluite "excess" (12c.), from Medieval Latin superfluitatem (nominative superfluitas), from superfluus (see superfluous).
权威例句
1. The city has a superfluity of five-star hotels.
这个城市的五星级宾馆太多了。
2. This book has a superfluity of introductions and summaries.
此本书中有多余的介绍和摘要.
3. Wealth is simply a superfluity of what we don't need.