dry sand

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相關句子：

1. Salt from the sea had encrusted on the dry sand.
   海水中的鹽分在乾燥的沙子上結成硬皮。
2. Dry sand absorbs water.
   乾沙吸收水份。
3. The little dune is formed with loose dry sand by wind.
   這個小沙丘是由風吹來的乾沙子形成的。