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Limestone

['laɪmstəʊn] or ['laɪmston]

解釋/意思:

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

贝弗莉錄入--From WordNet

解釋/意思:

(n.) A rock consisting chiefly of calcium carbonate or carbonate of lime. It sometimes contains also magnesium carbonate, and is then called magnesian or dolomitic limestone. Crystalline limestone is called marble.

錄入:提托

例句/造句/用法:

校對:普拉特

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