in·dis·tin·guish·able /ˌɪndɪˈstɪŋgwɪʃəbəl, ˈstɪŋwɪ-/
 (a.)不能辨別的,不能區別的


 In·dis·tin·guish·a·ble a. Not distinguishable; not capable of being perceived, known, or discriminated as separate and distinct; hence, not capable of being perceived or known; as, in the distance the flagship was indisguishable; the two copies were indisguishable in form or color; the difference between them was indisguishable.

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 indistinguishable
      adj 1: exactly alike; incapable of being perceived as different;
             "rows of identical houses"; "cars identical except for
             their license plates"; "they wore indistinguishable
             hats" [syn: identical]
      2: not capable of being distinguished or differentiated; "the
         two specimens are actually different from each other but
         the differences are almost indistinguishable"; "the twins
         were indistinguishable"; "a colorless person quite
         indistinguishable from the colorless mass of humanity"
         [syn: undistinguishable] [ant: distinguishable]