coypuyoudaoicibaDictYouDict[coypu 词源字典]
"A large semiaquatic beaver-like rodent, native to South America. It is kept in captivity for its fur and has become naturalized in many other areas", Late 18th century: from Araucanian.[coypu etymology, coypu origin, 英语词源]
desmanyoudaoicibaDictYouDict
"A small semiaquatic European mammal related to the mole, with a long tubular muzzle and webbed toes", Late 18th century: via French and German from Swedish desman-råtta 'muskrat', from desman 'musk'.