Trapdoor
n. 地板门, 活板门, 活动天窗
✅ 同义词
📖 牛津释义
trapdoor
(also trap), n door in a floor, ceiling or roof （地板、 天花板或房顶上的）活板门, 地板门, 活动天窗.
🗣️ 情景例句
Thank you. I don't believe this.
谢谢。我简直不敢相信。
We have mainly adopted some usual international practices.
我们主要采取了一些国际上的惯例做法。
The killing of the bison changed the whole wildlife of the plains. With fewer bison, grass shoots were not eaten, so grass did not grow as strongly.
屠宰野牛改变了平原的全部野生生物。野牛少了，嫩草没有牛来吃了，草就长得不粗壮。