DICT.TW Dictionary Taiwan

 pre·clin·i·cal /(ˌ)priˈklɪnɪkəl/
 (a.)潛伏期的

 pre·clin·i·cal /(ˈ)prɪˈklɪnɪkəl/ 形容詞
 臨床前的

 preclinical
      adj : of or relating to the early phases of a disease when
            accurate diagnosis is not possible because symptoms of
            the disease have not yet appeared [syn: presymptomatic]