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
Oh, yes, I think we'd like that very much.
噢 ，好的， 我想我们非常乐意。
Why do you always bother me?
你干嘛老是找我麻烦？
and near its lower reaches there is a long tailing-off which is almost certainly the result of material transported out to deep water after being eroded from the continental masses.
在这个地带的低处是很长的一段尾沙地段，基本上可以断定这个地段是大陆块体上侵蚀下来的物质被水冲到深水处形成的。