noun🔗Share砂丘A ridge or hill of sand piled up by the wind."The children loved to run and play on the tall, sandy dunes near the beach. "子供たちは、ビーチ近くの高い砂丘で走り回ったり遊んだりするのが大好きでした。geographynatureenvironmentChat with AIVocabulary GamePractice Reading
