名词
中文翻译：墙壁沉积物
同义词：
['wall deposit', 'wall accumulation']
例句：
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1.The walls of the cave were covered in a thick layer of wall accretion.
洞穴的墙壁上覆盖着厚厚的一层墙壁沉积物。
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2. The study found that wall accretion is a major contributor to air pollution.
研究发现，墙壁沉积物是空气污染的主要来源之一。
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3. The builders carefully removed the wall accretion before starting the new construction.
建筑工人在开始新建设之前，小心翼翼地清除了墙壁沉积物。