名词
中文翻译：火山灰堆
同义词：
['sulfur mound', 'sulfurous mound']
例句：
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1. The volcano erupted, and the ash andsulfur mounds were scatteredacross the landscape.
火山爆发了，火山灰和硫磺堆散布在景观中。
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2. The scientists used a special device tocollect samples from the sulfurmounds.
科学家们使用一种特殊的设备从硫磺堆中收集样本。
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3. Thesulfur mounds are believedto have formed when the volcanoerupted.
人们相信硫磺堆是在火山喷发时形成的。