英语词汇“Portland limestone”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	Portland limestone
释义	Portland limestone Geology noun The oolitic limestone of the Upper Jurassic that is particularly well exposed on the Isle of Portland and is quarried as Portland stone. Origin Mid 19th century; earliest use found in John Craig (fl. 1847).
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Portland limestone