| 单词 | mussel | 
| 释义 | Word Frequency mussel(ˈmʌsəl) noun 1.  any of various marine bivalves of the genus Mytilus and related genera, esp M. edulis (edible mussel), having a dark slightly elongated shell and living attached to rocks, etc 2.  any of various freshwater bivalves of the genera Anodonta, Unio, etc, attached to rocks, sand, etc, having a flattened oval shell (a source of mother-of-pearl). The  zebra mussel, Dreissena polymorpha, can be a serious nuisance in water mains Word originOld English muscle, from Vulgar Latin muscula (unattested), from Latin musculus, diminutive of mūs mouse | 
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