名词
中文翻译：火山喷发物
同义词：
['pyroclastic flow', 'pyroclastic surge']
例句：
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1.The volcanic ejecta from the eruption covered the entire city.
这次火山爆发产生的火山灰覆盖了整个城市。
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2.The scientists studied the volcanic ejecta for clues about the origin of the earthquake.
科学家们研究火山灰以寻找地震起源的线索。
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3. The volcanic ejecta is believed to have caused significant damage to the surrounding environment.
人们认为火山灰对周围环境造成了严重的破坏。