名词
中文翻译：Unknown
同义词：
['unmarked pole', 'unmarked pillar', 'unmarked post', 'unmarked column', 'unmarked stake']
例句：
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1. The unmarked pole was used to support the roof.
那个未标记的杆子用来支撑屋顶。
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2. The unmarked pole is a symbol of strength and stability.
那个未标记的杆子是力量和稳定性的象征。
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3. The unmarked pole was used as a guide for the construction workers.
那个未标记的杆子被用作建筑工人的指引。