What is ""ภูเขาทราย"" in American English and how to say it?

Thai

ภูเขาทราย

ภูเขาทราย-dunes.svg
American English

dunes

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Example sentences

American EnglishDunes form when the wind blows a lot of sand up into a hill.

""ภูเขาทราย"" in 45 More Languages.