| 单词 | limestone |
| 释义 | limestone limestone /ˈlaɪm.stəʊn/ aep /-stoʊn/ noun [U] ► F0 a white or light grey rock that is used as a building material and in the making of cementThesaurus+: ↑Building materialsThesaurus+: ↑Types of rock , ↑Precious and semi-precious stones |
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