trapdoor
/'træpdɒ:/
📖 中文释义
- n. 地板门, 活板门, 活动天窗
🧩 词形变化
复数 trapdoors
📘 English Definition（英文释义）
- n. A lifting or sliding door covering an opening in a roof
- or floor.
- n. A door in a level for regulating the ventilating current;
- -- called also weather door.