名词
中文翻译：Unknown
同义词：
['extended roof', 'extended roof cover', 'extended roof membrane']
例句：
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1. Thenew car has an extended cover that protects the engine from dust and debris.
这款新车有一个扩展覆盖，可以保护发动机免受灰尘和碎片的侵害。
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2.The construction crew used a large piece of fabric as an extended cover to shield workers from the elements.
建筑工人使用一块大布料作为扩展覆盖，以遮挡工人免受恶劣天气的影响。
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3. The engineer designed an extended roof cover to improve energy efficiency and reduce heat loss.
工程师设计了一个扩展屋顶覆盖物，以提高能效并减少热量损失。