im·mo·bile /(ˌ)ɪ(m)ˈmobəl, ˌbaɪl ||ˌbil/
  (a.)不動的,不變的,固定的,靜止的
  im·mo·bile /(ˈ)ɪmˈ(m)obəl, ˌbɪl, ˌbaɪl/ 形容詞
  不動的
  Im·mo·bile a.  Incapable of being moved; immovable; fixed; stable.
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  immobile
       adj 1: not capable of movement or of being moved [ant: mobile]
       2: securely fixed in place; "the post was still firm after
          being hit by the car" [syn: fast, firm]