Limestone
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GRE TOEFL
目录 |
[编辑] 解释
[编辑] GRE 红宝书
- n. 石灰岩
- ［英］ n. 石灰岩 ( a type of rock)
[编辑] Webster Collegiate
noun
- Date: 14th century
- a rock that is formed chiefly by accumulation of organic remains (as shells or coral), consists mainly of calcium carbonate, is extensively used in building, and yields lime when burned
