相关单词同義詞unknown, sealed, 近義詞 unknown 未知的, unmapped 未繪制地圖的..., unexplored 未勘查過的, new 新的, unfamiliar 不熟悉的, alien 外僑, strange 奇怪的, uncultivated 未耕作的, chartless 圖籍未載的臨近詞UN, undld相似詞unchanged, unchanging, uncharacteristic, uncharitable, uncheck, unchecked, unchristian, uncivil, 返回 uncharted