vole
/vəʊl/noun
1- a small, typically burrowing, mouse-like rodent with a rounded muzzle, found in both Eurasia and North America田鼠; 仓鼠。
1.1
- Subfamily Microtinae (or Arvicolinae), family Muridae: several genera, in particular Microtus, and numerous species.田鼠亚科（或水亚科）, 鼠科：数属, 尤指田鼠属, 多种。
词源
early 19th cent. （originally vole-mouse）： from Norwegian voll（mus） 'field (mouse)'.