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| sand dune; sand dune An accumulation of loose sand heaped up by the wind, commonly found along low-lying seashores above high-tide level, more rarely on the border of large lakes or river valleys, as well as in various desert regions, where there is abundant dry surface sand during some part of the year | |||
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dune de sable : 7 phrases, 4 sujets |
| Construction | 1 |
| Environnement | 3 |
| Métallurgie | 1 |
| Nations unies | 2 |