park ranger
noun [ C ] US uk/ˌpɑːk ˈreɪn.dʒər/ us/ˌpɑːrk ˈreɪn.dʒɚ/
公园管理人,护林员
a person whose job is to take care of and protect a national park
She is a park ranger at Yellowstone. 她是黄石公园的护林员。
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