英语词汇“Unio bed”的意思、释义、用法解释及翻译-双龙斋书画网

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词汇	Unio bed
释义	Definition of Unio bed in English: Unio bed noun A layer of rock rich in fossilized shells of freshwater mussels; specifically that in the lower part of the upper strata of the Purbeck beds in Dorset;. Origin Mid 19th century; earliest use found in Quarterly Journal of the Geological Society of London. Definition of Unio bed in US English: Unio bed noun A layer of rock rich in fossilized shells of freshwater mussels; specifically that in the lower part of the upper strata of the Purbeck beds in Dorset;. Origin Mid 19th century; earliest use found in Quarterly Journal of the Geological Society of London.
随便看	set (great) store by set great store by seth set hand to set hand to the plough set heart on set hopes on set house in order Seth, Vikram SETI set/impose limits on set in set-in set in set in setin set in a frame set in beds/soil set in motion set in one's opinions set in one's ways set in order set in place set in stone set/lay aside

　

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