roadrunner
noun [ C ] uk/ˈrəʊdˌrʌn.ər/ us/ˈroʊdˌrʌn.ɚ/
（产于美国西南部和墨西哥的）走鹃鸟
a bird from the southwestern US and Mexico with a long tail and feathers that stand up on the top of its head, that runs very fast
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