upright column

例句：

1. 1.The architect designed a series of upright columns for the building's facade.
   建筑师为建筑立面设计了一系列直立的柱子。
2. 2. The museum has an impressive collection of upright columns from ancient Greece.
   博物馆拥有来自古希腊的令人印象深刻的直立柱子收藏。
3. 3. The construction workers were carefully placing upright columns to support the roof.
   建筑工人正在小心翼翼地放置直立的柱子来支撑屋顶。