kangaroo rat
柯林斯词典
1. N any small leaping rodent of the genus Dipodomys, related to the squirrels and inhabiting desert regions of North America, having a stocky body and very long hind legs and tails: family Heteromyidae 鼠菐; 小型跳跃齿目动物，和松鼠有亲缘关系，居住在北美洲的沙漠地区，有粗壮而结实的身体，后腿及尾巴很长
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