名词
中文翻译：后柱
同义词：
['posterior element', 'posterior part']
例句：
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1. Theposterior column of the building is where theelevator shaft is located.
这座建筑的后柱是电梯井的位置。
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2. Theposterior column was damaged duringthe earthquake.
地震期间，后柱受损了。
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3. The architect designed theinterior of the building with a focus onthe posterior column.
建筑师设计大楼内部时，重点放在了后柱上。