trapdoor [ˈtræpdɔːr]

例句:

• The woman shut the trapdoor with a slam.
  这位女主妇砰的一声关上活板门.
  
• This program is used to compute the trapdoor channel capacity.
  这个程序是用于计算陷渠道能力.
  
• She uncovers a sand covered wooden trapdoor with a rope.
  他打开了一个有着一条绳子的被沙子埋在下面的地板门.
  
• Trapdoor spiders pounce on their prey from below.
  来自New Scientist
• Then the feeling turned to anger and shame and he was overwhelmed by a desire to disappear through a magic trapdoor.
  来自THETIMES
• With abstraction as the hinge, Duchamp opened a trapdoor at the bottom of Western thought and feeling.
  来自NEWYORKER