im·mu·ta·ble /(ˌ)ɪ(m)ˈmjutəbəl/
  (a.)不可變的,不變的,不能變的
  Im·mu·ta·ble a.  Not mutable; not capable or susceptible of change; unchangeable; unalterable.
     That by two immutable things, in which it was impossible for God to lie, we might have a strong consolation.   --Heb. vi. 18.
  Immutable, immortal, infinite,
  Eternal King.   --Milton.
  -- Im*mu*ta*ble*ness, n. -- Im*mu*ta*bly, adv.
  ◄ ►
  immutable
       adj : not subject or susceptible to change or variation in form or
             quality or nature; "the view of that time was that all
             species were immutable, created by God" [syn: changeless]
             [ant: mutable]