名词
中文翻译：火山灰材料
同义词：
['volcanic ash', 'pyroclastic debris例句：1. The volcano erupted', 'releasing a cloud of pyroclastic material into the air.（火山爆发了，释放出一股火山灰云。）']
例句：
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1. The volcano erupted, releasing a cloud of pyroclastic material into the air.
火山爆发了，释放出一股火山灰云。
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2.The construction site was covered in pyroclastic material, making it difficult to work there.
施工现场被火山灰覆盖，工作变得困难。
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3. The scientists analyzed the pyroclastic material and determined its origins.
科学家们分析了火山灰材料，并确定了其来源。