per·cep·ti·ble /pɝˈsɛptəbəl/
 (a.)可察覺的,能感覺得到的,看得見的
 per·cep·ti·ble /pɝˈsɛptəbəl/ 形容詞
 可認知的,可知覺的,可感覺的
 Per·cep·ti·ble a.  Capable of being perceived; cognizable; discernible; perceivable; large enough to be perceived; not so small as to be incapable of perception.
    With a perceptible blast of the air.   --Bacon.
 -- Per*cep*ti*ble*ness, n. -- Per*cep*ti*bly, adv.
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 perceptible
      adj 1: capable of being perceived by the mind or senses; "a
             perceptable limp"; "easily perceptible sounds";
             "perceptible changes in behavior" [ant: imperceptible]
      2: easily perceived by the senses or grasped by the mind; "a
         perceptible sense of expectation in the court"; "an
         obvious (or palpable) lie" [syn: obvious]
      3: easily seen or detected; "a detectable note of sarcasm"; "he
         continued after a perceptible pause" [syn: detectable]