change·less /ˈʧenʤləs/
  (a.)不變的,固定不變的,固定的
  Change·less, a. That can not be changed; constant; as, a changeless purpose.
  -- Change*less*ness, n.
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  changeless
       adj 1: 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: immutable]
              [ant: mutable]
       2: persistent in occurrence and unvarying in nature;
          "maintained a constant temperature"; "a constant beat";
          "principles of unvarying validity"; "a steady breeze"
          [syn: constant, invariant, steady, unvarying]
       3: remaining the same for indefinitely long times [syn: unalterable]