limestone
n. 石灰石
英英释义
Noun
- a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
例句
用作名词(n.)
- Caves form when water infiltrates limestone.水渗透石灰石则形成洞穴。
- We may burn limestone to obtain lime.我们可以通过烧石灰石来得到石灰。