名词中文翻译
中文翻译：台阶灰色楔形石
同义词：
['台阶，阶梯，楔形石例句：1. The steps leading up to the main hall are steep and narrow.（通往主厅的台阶陡峭且狭窄。）']
例句：
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1. The steps leading up to the main hall are steep and narrow.
通往主厅的台阶陡峭且狭窄。
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2. The architect designed a stepped grey wedge for the entrance of the building.
建筑师为大楼入口设计了一个台阶灰色楔形石。
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3. The old house had a stepped grey wedge in the center of its courtyard.
这座老房子的庭院中心有一个台阶灰色楔形石。