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单词 esker
释义

WordReference Random House Unabridged Dictionary of American English © 2024
es•ker  (eskər),USA pronunciation n. [Geol.]
  1. Geologya serpentine ridge of gravelly and sandy drift, believed to have been formed by streams under or in glacial ice.
  • Irish eiscir ridge of mountains
  • 1850–55

Collins Concise English Dictionary © HarperCollins Publishers::
esker /ˈɛskə/, eskar /ˈɛskɑː -kə/ n
  1. a long winding ridge of gravel, sand, etc, originally deposited by a meltwater stream running under a glacier
Etymology: 19th Century: from Old Irish escir ridge
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