相关单词同義詞unfathomable, abysmal, 近義詞 bottomless 無底的, deep 深的, incomprehensible 不能理解的, immeasurable 不可計量的, unfathomable 深得無法到達底部的..., obscure 難解的, incalculable 不可數的, mysterious 神秘的, impenetrable 不能穿過的, profound 深奧的, cryptic 隱秘的, inestimable 無價的臨近詞fathom相似詞fatherland, fatherless, fatherly, fathom, fatigue, fatigued, fatiguing, fatness, 返回 fathomless