noun🔗Share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."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。geologymaterialsubstancemineralChat with AIVocabulary GamePractice Reading
adjective🔗Share石灰岩のMade of or with limestone."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。geologymaterialsubstanceChat with AIVocabulary GamePractice Reading
