相關(guān)單詞近義詞 unsolicited 未經(jīng)請求的, spontaneous 自發(fā)的，自然的，本能的..., uninvited 未被邀請的, uncalled-for 不必要的, unwanted 不需要的, unlooked-for 意外的, undesired 不希望有的臨近詞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