n.(舞台的)地板门,活板门,活盖;
例句:
Will : why do I feel like I'm about to fall a trapdoor a pit of fire?
为啥我种推门走过去就会掉落火坑的感觉 啊 ?
She raised the trapdoor and pointed to a flight of steps.
她打开了房门,用手指着书架.
The third trapdoor concerns Goldman's risk appetite.
第三个陷阱门是关于高盛的风险口味.