单语范例（未经PONS编辑处理）
英语
- The island developed initially from a submarine volcano from the Pleistocene period that constructed small calderas and numerous pyroclastic cones.en.wikipedia.org
- A few seconds later, it erupted laterally, sending swift pyroclastic flows down its flanks at near supersonic speeds.en.wikipedia.org
- In a lunar volcanic eruption, a pyroclastic cloud would follow local relief resulting in an often sinuous track.en.wikipedia.org
- Within both of these craters, are several explosive volcanic features, including scoria deposits, lava domes, and pyroclastic domes, or cinder cone volcanoes.en.wikipedia.org
- They consist of pyroclastic tuffs with rhyolitic or dacitic composition, cover a large area and reach large thicknesses.en.wikipedia.org
- This eruption ranged in character from explosive to effusive and involved lava dome extrusion, pyroclastic flows, lahars and lava flows.en.wikipedia.org
- Examples include avalanches, haboobs, seafloor turbidity currents, lahars, pyroclastic flows, and lava flows.en.wikipedia.org
- This event obliterated the second dome, sent ash 10 mi in the air and created small, red-hot pyroclastic flows.en.wikipedia.org
- One woman, a housemaid, also survived the pyroclastic flow but perished soon after said, the only thing she remembered from the event was sudden heat.en.wikipedia.org
- Cold pyroclastic surges can occur when the eruption is from a vent under a shallow lake or the sea.en.wikipedia.org
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英语