bridgeboard
n. 木楼梯之侧板
词形变化
bridgeboards
复数
bridgeboards
释义与例句
n.
-
1.
A notched board to which the treads and risers of the steps of wooden stairs are fastened.
建筑 -
2.
A board or plank used as a bridge.
词源
From bridge + board.
来源:wiktionary