相关单词近义词 bottomless 无底的, unplumbed 深度未用铅锤测量过的..., mysterious 神秘的, unfathomable 深得无法到达底部的..., enigmatic 谜的, unexplored 未勘查过的, unknowable 不可知的, incomprehensible 不能理解的, silent 安静的, unfathomed 深不可测的, profound 深奥的临近词unsound, unsound plaster, unsound practices, unsound arguments, unsound aggregate, unsound conclusion, unsound deformation, unsoundness of mind, unsoundness of feet, unsound corporation, Unsound or disordered. 返回 unsounded