noun🔗Share火山碎屑岩，火山碎屑。 A rock mostly composed of rock fragments of volcanic origin"The geology class studied a sample of pyroclastic from Mount Vesuvius. "地质学课研究了来自维苏威火山的火山碎屑岩样本。geologymaterialsubstancenatureChat with AIVocabulary GamePractice Reading
adjective🔗Share火山碎屑的，火山喷发的。 Mostly composed of rock fragments of volcanic origin or comminuted during an eruption."The geologist showed us a piece of pyroclastic rock formed from the volcano's violent eruption. "地质学家向我们展示了一块火山碎屑岩，它是火山猛烈喷发时形成的。geologymaterialenvironmentChat with AIVocabulary GamePractice Reading
