supplement

vt.补充 n.补充之物，增刊；增补

superstitious, superstitiously, superstore, superstructure, supertanker, supertax, supervene, supervention, supervise, supervision, supervisor, supervisory, supine, supinely, supper, supper-time, suppertime, supplant, supple, supplely (also supply), supplementary, supplementary benefit, suppleness, suppliant, supplicant, supplicate, supplication, supplier, supply, supply teacher, support, supportable, supporter, supporting, supportive, suppose, supposed, supposing, supposition, suppository,