| 释义 |
pocket mousen.（名词）- Any of various small, nocturnal North American burrowing rodents of the genusPerognathus, related to the kangaroo rat and having fur-lined external cheek pouches, small ears, and a very long tail. 小囊鼠：小囊鼠 属中的一种夜间活动的北美小型掘土啮齿目动物，和更格卢鼠有亲缘关系，长有内生皮毛的外部颊囊、小耳朵和一条很长的尾巴
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