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riegel (Geography Dictionary)

riegel : An outcrop of resistant bedrock that forms a bar across a glacial trough and often acts as a dam to impound the waters of a lake

👇​ ស្វែងរកឯកសាររៀននិងការងារគ្រប់ប្រភេទនៅទីនេះ៖


👇​ ស្វែងរកពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖

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