lem.ming
n.（名词）
Any of various small, thickset rodents, especially of the genusLemmus, inhabiting northern regions and known for periodic mass migrations that sometimes end in drowning.
旅鼠：一种体形短小但很健壮的啮齿目动物，尤指旅鼠 属动物。它居住在北方地区，以其有时以淹死来结束生命的季节性群体迁徙而闻名
来源：
Norwegian
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