相关单词近義詞 insoluble [化]不能溶解的..., unfathomable 深得無法到達底部的..., inexplicable 無法說明的, insuperable （睏難）難以尅服的..., incomprehensible 不能理解的, unsolvable 不能解決的臨近詞una, Unasa相似詞unambitious, unanimity, unanimous, unannounced, unanswered, unanticipated, unapologetic, unappealing, 返回 unanswerable