in·born /ˈɪnˈbɔrn/
  (a.)天生的,生來的,生成的
  in·born /ˈɪnˈbɔ(ə)rn/ 形容詞
  先天的
  In·born a. Born in or with; implanted by nature; innate; congenital; as, inborn passions.
  Syn: -- Innate; inherent; congenital; natural.
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  inborn
       adj 1: normally existing at birth; "mankind's connatural sense of
              the good" [syn: connatural, inbred, native]
       2: present at birth but not necessarily hereditary; acquired
          during fetal development [syn: congenital, innate, inherent]