bomb·proof /ˈbɑmˌpruf/
  (a.)防彈的,避彈的
  Bomb·proof a. Secure against the explosive force of bombs. -- n. A structure which heavy shot and shell will not penetrate.
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  bombproof
       adj : able to resist the explosive force of bombs and shells;
             "bombproof shelter" [syn: shellproof]
       n : a chamber (often underground) reinforced against bombing and
           provided with food and living facilities; used during air
           raids [syn: bomb shelter, air-raid shelter]