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; 小型跳躍齒目動物，和松鼠有親緣關系，居住在北美洲的沙漠地區，有粗壯而結實的身躰，後腿及尾巴很長
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