相关单词近义词 extra 额外的, superfluous 多余的, surplus 过剩, spare 备用的, excessive 过分的, substitute 代用品, auxiliary 助动词, ancillary 辅助的, additional 附加的, stand-by 可靠的人, temporary 暂时的, standby 备用, supererogatory 职责以外的, excess 超过, spear carrier 跑龙套的人, redundant 多余的，过多的...临近词super, superface相似词supermodel, supermoon, supernatural, supernova, superolateral, superordinate, superpower, supersaturated, 返回 supernumerary