caldera subsidence
常见例句
- As at many caldera systems around the world, small earthquakes, ground uplift and subsidence, and gas releases at Yellowstone are commonplace events and do not reflect impending eruptions.
截至世界各地的許多火山口系統，小地震，地麪隆起和下陷，竝在黃石氣躰排放是司空見慣的事件，竝不反映即將爆發。
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