名词
中文翻译：Unknown
同义词：
['archigram', 'schematic', 'sketch', 'draft例句：1. The architect drew a protograph of the new building before construction began.（建筑师在建筑开工前绘制了新大楼的原始草图。）']
例句：
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1. The architect drew a protograph of the new building before construction began.
建筑师在建筑开工前绘制了新大楼的原始草图。
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2.The artist created a protograph of his latest painting for exhibition purposes.
艺术家为展览目的创作了他最新画作的原始草图。
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3.The engineer made a protograph of the new bridge design to ensure it would function properly.
工程师制作了新桥梁设计的原始草图，以确保其功能正常。