名词
中文翻译：火山灰流
同义词：
['pyroclastic surge', 'pyroclastic flow', 'pyroclastic surge例句：1. The eruption of the volcano caused a pyroclastic flow that swept through the area.（火山爆发引发了一股火山灰流，横扫了该地区。）']
例句：
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1. The eruption of the volcano caused a pyroclastic flow that swept through the area.
火山爆发引发了一股火山灰流，横扫了该地区。
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2. The pyroclastic flow was so powerful that it blocked the road and caused traffic jams.
火山灰流如此强大，以至于它堵塞了道路，导致交通拥堵。
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3.The scientists were studying the effects of the pyroclastic flow on the environment.
科学家们正在研究火山灰流对环境的影响。