superfluous

a.多余的

superabundance, superabundant, superachiasmatic, superannuate, superannuated, superannuation, superb, superbly, supercharge, supercharger, supercilious, superciliously, superciliousness, superconductivity, superconductor, superficial, superficiality, superficially, superfine, superfluity, superfluously, superhuman, superimpose, superimposition, superinrtendent, superintend, superintendence, superintendent, superior, superiority, superiority complex, superlative, superlatively, superman, supermarket, supernatural, supernaturally, supernova, supernumerary, superphosphate,