相关单词同义词reactionless, irresponsive, 近义词 unrequited 无报答的, one-sided 单向的, unreciprocated 无报答的临近词una, Unako相似词unanimity, unanimous, unannounced, unanswerable, unanticipated, unapologetic, unappealing, unappetizing, 返回 unanswered