bridgeboard

音標['brid?b?:d] 讀音

漢語翻譯

n. 木樓梯之側板

bridge.board

n.（名詞）
A notched board at either side of a staircase that supports the treads and risers.
木樓梯側板，木樓梯小梁：在階梯兩邊支撐樓梯的踏板和豎板的有凹口的木板

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