infernal machine

英 [ɪnˈfɜːnl məˈʃiːn]

美 [ɪnˈfɜːrnl məˈʃiːn]

n.  ***，铒雷，***

英英释义

noun

• a bomb that has a detonating mechanism that can be set to go off at a particular time
  Synonym:time bomb