相关单词近义词 unsubstantiated 无事实根据的..., unsupported 没有支柱的, unconfirmed 未最后认可的..., unverified 未经证实的, unfounded 无事实根据的..., unproven 未经证明的临近词UN, uncase相似词uncool, uncooperative, uncoordinated, uncork, uncountable, uncouple, uncouth, uncover, 返回 uncorroborated