单词	mudflow
释义	mudflow /ˈmʌdfləʊ / noun A fluid or hardened stream or avalanche of mud.On June 15, Mount Pinatubo spewed ash 40 km into the air and produced huge ash flows (also called pyroclastic flows) and mudflows that devastated a large area around the volcano.... Thirty-six million years ago, volcanic mudflows blocked a stream flowing through this valley, producing a lake about twelve miles long. ‘Even on Earth it can be hard to distinguish a lava flow from a mudflow,’ she said.
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