名词
中文翻译：弧状地面
同义词：
['arcingsurface', 'arcing floor']
例句：
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1. The arcing groundis a dangerous area for pedestrians tocross.
弧状地面是行人过马路的危险区域。
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2. The construction workers were working onthe arcing ground when it collapsed.
建筑工人在施工时，地面突然塌陷了。
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3. Theengineer carefully measured the arcing ground before deciding on the bestcourse of action.
工程师在决定最佳行动方案之前，仔细测量了弧状地面。