英语词汇“buhrstone”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	buhrstone
释义	Word Frequency buhrstone or burstone or burrstone (ˈbɜːˌstəʊn) noun 1. a hard tough rock containing silica, fossils, and cavities, formerly used as a grindstone 2. a grindstone or millstone made of this rock Word origin C18 burr, perhaps identical to burr1 (alluding to roughness)
随便看	gravitational wave gravitative gravities gravitino gravitometer graviton gravity gravity anomaly gravity cell gravity dam gravity fault gravity platform gravity scale gravity wave gravlax Gravol gravure gravy gravy boat gravy train gray gray gray area grayback graybeard

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