board-and-brace door的用法和樣例：
例句
- In one corner a ladder went up to an open trap door.
角落里有一道梯子，通往上面敞開(kāi)的活板門(mén)。 - Since the inn's bamboo cots had all been used to make extra beds, the waiter had placed a door plank across two unpainted wooden benches to serve as Ku's bed.
那伙計因為店里的竹榻全為添鋪用完了，替顧先生把一扇板門(mén)擱在兩張白木凳上，算是他的床。
