活板的英文

1、可是，活板门上了锁。

The trap door was locked.

2、角落里有一道梯子，通往上面敞开的活板门。

In one corner a ladder went up to an open trap door.

3、地下土牢顶部有一供出入的活板门的土牢

A dungeon with a trap door in the ceiling as its only means of entrance or exit.