silencer [ˈsaɪlənsɚ]

例句:

• A silencer quietens the noise of the engine.
  消声器把发动机的噪音消弭了.
  
• The silencer is supposed to silence the engine noise.
  据说消音器是用来消除引擎的噪声的.
  
• Kelly screwed the silencer onto the pistol.
  凯利把消音器拧到手枪上。
  
• The silencer was pitted with holes.
  来自P. Benson
• Then he would execute him with two bullets in the back of the head from his pistol, which was equipped with a silencer.
  来自NEWYORKER
• Thomas and Roberts were charged with conspiring to buy an explosive device and an illegal silencer.
  来自NPR