trap door / ˈtræpˈdɔr, -ˈdoʊr /

楼梯由楼梯被

trap door2 个定义

n. 名词 noun
  1. a door flush with the surface of a floor, ceiling, or roof.
  2. the opening that it covers.
adj. 形容词 adjective
  1. of, relating to, or like a trapdoor.

trap door 近义词

trap door

等同于 back door

更多trap door例句

  1. But we reached Camp David in one piece, and there was no trapdoor for Cap.
  2. The explorers soon discovered that the only entrance into the estufa was by a trapdoor and a ladder.
  3. Jack, the bullets whistling thickly around him, managed to crawl unhurt to the trapdoor and again descend into the courtyard.
  4. Then, taking him to the top of one of their great houses, they bade him step down through an open trapdoor into a dark chamber.
  5. When this trapdoor is not closed, and food "goes down the wrong way," we choke, and the food is expelled by coughing.
  6. When food is in the course of being swallowed, the upper part of this tube forms a trapdoor over the opening.