英语词汇“roll stone”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	roll stone
释义	roll stone U.S. A stone rounded by friction or attrition on a beach or in the bed of a river. 1845J. C. Frémont Rep. Exploring Expedition 124 A swift current, over a bed composed entirely of boulders or roll stones.1872Rep. Vermont Board Agric. I. 688 A fine specimen of gold from a rollstone he found, while digging a well.
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