sufficiency

n.充足；充裕

sucking-pig, suckle, suckling, sucrose, suction, sudden, suddenly, suddenness, suds, sudsy, sue, suede, suet, suety, suffer, suffer from, sufferance, sufferer, suffering, suffice, sufficient, sufficiently, suffix, suffocate, suffocating, suffocation, suffragan, suffrage, suffragette, suffragist, suffuse, suffusion, sugar, sugar-beet, sugar-cane, sugar-coated, sugar-daddy, sugar-lump, sugar-maple, sugar-tongs,