n. 中心柱,楼梯上下端的栏杆支柱
网络 中柱; 旋梯中柱; 新象
The first-floor banister, newel post and stair treads were found in the house during renovations.
一楼楼梯扶手、中柱和踏板是翻新时候在屋内找到的。