Any of numerous small rodents of the families Muridae and Cricetidae, such as the common house mouse(Mus musculus, characteristically having a pointed snout, small, rounded ears, and a long, naked or almost hairless tail.

 
  • 鼠一种鼠科和仓鼠科家族的小型啮齿类动物,如常见的家鼠(台湾鼷鼠),典型特点为尖嘴、小圆耳朵、长而无毛或少毛的尾巴
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