名词
中文翻译：柱状物
同义词：
['post', 'pillar', 'column', 'postal column']
例句：
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1.The post column is a crucial part of the construction.
柱子是建筑中至关重要的部分。
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2. The pillars of the temple are made of marble.
寺庙的柱子是用大理石制成的。
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3. The postal column was used to deliver mail during the old days.
在旧时代，邮政柱用于递送邮件。