dune
dunenoun- a mound or ridge of sand or other loose sediment formed by the wind, especially on the sea coast or in a desert
(尤指海岸或沙漠中的)沙丘,土丘
a sand dune.
一座沙丘。
语源- late 18th cent.: from French, from Middle Dutch dūne; related to Old English dūn 'hill' (see down)
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