sand dune
US /sænd duːn/
UK /sænd duːn/
1.
duna de areia, duna
a mound or ridge of sand heaped up by the wind, found in deserts or on the coast
:
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The desert landscape was dominated by towering sand dunes.
A paisagem desértica era dominada por imponentes dunas de areia.
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Children love to play and roll down the sand dunes at the beach.
As crianças adoram brincar e rolar pelas dunas de areia na praia.