相关单词近义词 unsolicited 未经请求的, spontaneous 自发的，自然的，本能的..., uninvited 未被邀请的, uncalled-for 不必要的, unwanted 不需要的, unlooked-for 意外的, undesired 不希望有的临近词unsex, uns, unsolvable problem, unsatisfied report, unsplintered glass, unshape refractory, unspent allocation, unspringing weight, unsaturated lactone, unselected genotype, unsaturated linkage, unsaturated alcohol 返回 unsought