名词
中文翻译：火山灰集料
同义词：
['volcanic agglomerate', 'volcanic cinder例句：1. The construction site was littered with pumice aggregates', 'making it difficult to work.（施工现场到处都是火山灰，工作变得很困难。）']
例句：
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1. The construction site was littered with pumice aggregates, making it difficult to work.
施工现场到处都是火山灰，工作变得很困难。
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2.The engineer used pumice aggregates to improve the durability of the concrete.
工程师使用火山灰来提高混凝土的耐用性。
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3.The pumice aggregates were collected from the nearby volcano and used in the construction project.
这些火山灰是从附近的火山收集来的，用于建设项目。