infernal machine

英 [ɪnˈfɜːnl məˈʃiːn] 美 [ɪnˈfɜːrnl məˈʃiːn]

n.  定时炸弹，铒雷，诡雷

英英释义

noun

  1. a bomb that has a detonating mechanism that can be set to go off at a particular time

      Synonym:    time bomb

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