noun 下载 🔗分享 栏杆柱,栏杆。 A short column used in a group to support a rail, as commonly found on the side of a stairway; a banister. Examples : "The little boy ran his fingers along the smooth, white balusters of the staircase. " 小男孩的手指轻轻滑过楼梯上光滑洁白的栏杆柱。 architecture building material 与AI对话词汇游戏阅读练习