2025-10-31 22:59:07 浏览次

trapdoor是什么意思 英[ˈtræpdɔː(r)] 美[ˈtræpdɔːr] n. 地板门, 活板门, 活动天窗n. A lifting or sliding door covering an opening in a roof or floor.n. A door in a level for regulating the ventil...