undefinable

1. An undefinable something about the room seemed to suggest masculine habitation.
   这个屋子有种说不清的东西，似乎暗示这里有男人居住。
2. You shine with reality that in other universes appears as stars, and they look and they say," What beauty, what distance, and what fine, undefinable existence is this?"
   你们的存在在其他的宇宙中发光看来就象星星，他们看到并说：“这不可解说的存在是怎样的美、遥远和美好啊？”
3. The magical photograph attempts to go beyond the immediate context of the recorded experience into realm of the undefinable.
   具有魔幻般的照片试图超越媒体本身，从而将记录的体验放在一个难以界定的领域之中。
4. The logical formulas are an ordered binary pair, the first element is an assertion and the second is a definable domain or approximations of undefinable domain corresponding to the assertion.
   这种逻辑公式的结构是有序二元对，第一元是断言；第二元是对应于这个断言的可定义集或不可定义域集的近似集。

adj

1. not capable of being precisely or readily described
   1. an indefinable feeling of terror
   2. an abstract concept that seems indefinable

   Synonym:    indefinable