columns

例句：

1. 1. The columns of the building are made of marble.
   这座建筑的柱子由大理石制成。
2. 2. The columns of the library are arranged in a rectangular pattern.
   图书馆的柱子排列成矩形图案。
3. 3.The columns of the monument were carved with intricate designs.
   纪念碑的柱子雕刻有复杂的图案。