polar bear
US /ˈpoʊ.lər ˌber/
UK /ˈpoʊ.lər ˌber/

1.
北极熊
a large white bear that lives in the Arctic regions
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The polar bear is an iconic symbol of the Arctic.
北极熊是北极的标志性象征。
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Climate change poses a significant threat to polar bear habitats.
气候变化对北极熊的栖息地构成重大威胁。