limestone
🇺🇸
/ˈlaɪmstəʊn/
🇬🇧
/ˈlaɪmstəʊn/
noun
R
A sedimentary rock made mostly of calcium carbonate, often used in construction and to make cement.
The ancient city was built with strong limestone, which has helped it withstand the test of time.
这座古城是用坚固的石灰岩建造的，这有助于它经受住时间的考验。
translation
石灰岩
词形变化
Plural
limestones