limestone

'laimstәun

六级托福GRE Collins 1

n. a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals

n. 石灰石
[化] 石灰石; 石灰岩

Collins 星级

6,225

BNC 频率

9,196

使用频率

“limestone”由“lime”（石灰）和“stone”（石头）组成，可以理解为“石灰石”，通过拆分词根帮助记忆。

例句

1. Limestone is commonly used to make cement.

石灰石通常用于制造水泥。

2. Many caves are formed in limestone regions.

许多洞穴是在石灰石地区形成的。

3. The cliffs are made of hard limestone rock.

这些悬崖由坚硬的石灰石岩石构成。