noun ダウンロード 🔗共有 砂の城 A sculpture made of sand and resembling a miniature castle; typically, but not always, made for fun by a child on a beach. Examples : "The children spent the afternoon building impressive sandcastles on the beach, decorating them with seashells. " 子供たちは、貝殻で飾り付けをして、ビーチで印象的な砂の城を作る午後のひとときを過ごしました。 entertainment architecture art material nature place holiday AIとチャット語彙ゲーム読解練習