# limestone
##### 词义
- 英:/ˈlaɪmstəʊn/; 美:/ˈlaɪmstoʊn/
- #词性/n 石灰石;石灰岩
##### 例句
- The basic ingredients are limestone and clay in the proportion 2:1 .
- 基本成分是石灰石和黏土,比例为2:1。
- The area is being quarried for limestone .
- 这地方正在开采石灰石。
- The large limestone caves are also quarried for cement .
- 同时还在这些大石灰岩洞里开采水泥原料。
##### 形态
- #形态/word_pl limestones