单词	pyroclastic
释义	pyroclastic adjective py·​ro·​clas·​tic ˌpī-rō-ˈkla-stik  : formed by or involving fragmentation as a result of volcanic or igneous action Example Sentences Recent Examples on the Web Unzen would erupt on June 3, killing the Kraffts along with 41 others in a pyroclastic flow. Henry Hullah, CNN, 28 July 2022 The agency asked residents to be cautious against pyroclastic flows — a hot and mobile mixture of rock, gas and ash — within about 1.2 miles of the site. Sammy Westfall, Washington Post, 24 July 2022 The discovery allows archaeologists to reconstruct the last years of Pompeii, devastated by an earthquake in 62 AD and finally destroyed and buried by pyroclastic flows during the eruption of Mount Vesuvius in 79 AD. David Bressan, Forbes, 24 June 2022 The pyroclastic flow that followed minutes later buried the lodge under 30 feet of ash. Scott Lafee, San Diego Union-Tribune, 21 June 2022 When Mount Pelée erupted, its pyroclastic terror passed beneath him. Nathaniel Rich, The New York Review of Books, 25 May 2022 The scientists discovered that the tomb's mortar was similar to that used in the walls of the Markets of Trajan: volcanic tephra from the pozzolane rosse pyroclastic flow, binding together large chunks of brick and lava aggregate. Jennifer Ouellette, Ars Technica, 17 Feb. 2022 The color and texture indicate a mix of rock, ash, and acid gas, a superheated pyroclastic flow. Alex Perry, Outside Online, 15 Apr. 2020 Unlike the fine ash at Omo Kibish, the pumice at Shala is made of chunks of rock piled up to 20 meters thick thanks to ancient pyroclastic flows, and that is very date-able. Kiona N. Smith, Ars Technica, 21 Jan. 2022 See More Word History First Known Use 1862, in the meaning defined above
随便看	cattilier cattiliest cattily cattiness cattinesses exist existed existence existences existency existent existential existential philosophy existential psychology existential quantifier existentialism existentialisms existentialist existentialistic existentialistically existentialists existentialize existentially existents existenz

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