impactor ['ɪmpæktə]

例句:

• It probably is a remnant of some impactor.
  来自SA
• The most economical mechanism for tight shutoff is the impactor handwheel.
  要做到紧密关闭,最经济的机械装置就是冲击式手轮.
  
• The impactor is estimated to be the size of several football fields.
  估计造成撞击的小天体大概有数个足球场大.
  
• Grimlock and Impactor meet Megatron within the arenas.
  钢锁与撞针于大角斗场结识威震天.
  
• Impactor on the moon to search for water.
  来自SA
• In fact, what it did is swallow up the impactor; they merged together and formed the new planet.
  来自SA