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coulee (Geography Dictionary)

coulee : A dry canyon eroded by Pleistocene floods that cut into the lava beds of the Columbia Plateau in the western United States.

_ ស្វែងរកឬបកប្រែពាក្យផ្សេងទៀតនៅប្រអប់នេះ៖
ឯកសារការងារនិងរៀនគ្រប់ប្រភេទ៖​
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