superfluous
英 [suː'pɜːflʊəs; sjuː-]
美[sʊ'pɝflʊəs]
	    - adj. 多余的;不必要的;奢侈的
 
英英释意
- 1. serving no useful purpose; having no excuse for being;
 - "otiose lines in a play"
 - "advice is wasted words"
 
- 2. more than is needed, desired, or required;
 - "trying to lose excess weight"
 - "found some extra change lying on the dresser"
 - "yet another book on heraldry might be thought redundant"
 - "skills made redundant by technological advance"
 - "sleeping in the spare room"
 - "supernumerary ornamentation"
 - "it was supererogatory of her to gloat"
 - "delete superfluous (or unnecessary) words"
 - "extra ribs as well as other supernumerary internal parts"
 - "surplus cheese distributed to the needy"