noun ダウンロード 🔗共有 石灰岩 An abundant rock of marine and fresh-water sediments; primarily composed of calcite (CaCO3); it occurs in a variety of forms, both crystalline and amorphous. Examples : "The white cliffs were made of limestone, a rock formed from ancient seashells. " 白い崖は、古代の貝殻から形成された石灰岩でできていました。 geology material substance mineral AIとチャット語彙ゲーム読解練習
adjective ダウンロード 🔗共有 石灰岩の Made of or with limestone. Examples : "The garden path was made of limestone gravel. " 庭の小道は石灰岩の砂利でできていた。 geology material substance AIとチャット語彙ゲーム読解練習
