名词
中文翻译：骨架地图
同义词：
['skeleton outline', 'structural map例句：1. The skeleton map helps us understand the overall structure of the city.（骨架地图帮助我们理解城市的大致结构。）']
例句：
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1. The skeleton map helps us understand the overall structure of the city.
骨架地图帮助我们理解城市的大致结构。
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2.The architect drew a skeleton map of the new building before construction began.
建筑师在建筑开工前绘制了新建筑的骨架图。
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3. The skeleton map revealed that the original design had been changed significantly.
骨架图显示，原始设计已经发生了显著变化。