柱子的英文是 "pillar"。这个词来源于拉丁语 "pila"，意思是 "一个给支撑物的柱子"。例句如下：

The pillars of the church are made of marble.

The pillars of our democracy are freedom and justice.

The pillars of a successful business are hard work and innovation.

希望这些信息对您有帮助。