释义 |
trap-door 英t'ræpd'ɔːr美t'ræpd'ɔːr COCA²²²⁷⁸⁷BNC⁷⁹⁰⁷⁶⁺¹¹ 基本英英例句 n.活板门¹⁰⁰
名词 trap door: a hinged or sliding door in a floor or ceiling 形容词100% 用作名词In one corner a ladder went up to an open trap door.角落里有一道梯子,通往上面敞开的活板门。 Elevator maintenance can be carried out from outside the well through a trap.可以通过活板门在电梯运行井道外维修电梯。 |