superfluityn.
英 ,suːpə'fluːɪtɪ; ,sjuː- | 美 ,sʊpɚ'flʊəti
中文n. 奢侈品；额外；过剩
词根词源
superfluity (n.)late 14c., from Old French superfluite "excess" (12c.), from Medieval Latin superfluitatem (nominative superfluitas), from superfluus (see superfluous).
关键词