tuco-tuco
/ˌtuːkəʊˈtuːkəʊ/noun
(pl. -os)
1- a burrowing rat-like rodent native to South America栉鼠。
1.1
- Family Ctenomyidae and genus Ctenomys: numerous species.栉鼠科, 栉鼠属：众多种。
词源
mid 19th cent.: imitative of the call of some species.