limestone

🇬🇧/ˈlaɪmstəʊn/ 🇺🇸/ˈlaɪmstoʊn/📚 9409 49 1六级托福
Limestone is a whitish-coloured rock which is used for building and for making cement. 石灰岩

noun [专属名词][岩] 石灰岩

The area is being quarried for limestone. 这地方正在开采石灰石。

limestone 出现在下面的课文中
Lesson 42 Modern cavemen limestone 名词: 石灰石
单词造句: