单词	Pisidium
释义	Pisidium noun Pi·​sid·​i·​um -ēəm : a genus of nearly cosmopolitan minute freshwater bivalves (family Sphaeriidae) usually somewhat smaller than those of the genus Sphaerium and having the siphons united at their ends Word History Etymology New Latin, diminutive of Latin pisum pea
随便看	isocorydine isocracies isocracy Isocrates isocrats isocrymals isocryme isocrymes isocyan- isocyanate blaeberry Blaenau Gwent blaer blaes blaest blaewort blaffert blaffs blaflum blaggard blagged blaggers blagging blaggings Blagoveshchensk

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