问题: 英语题:北极熊有多大?
北极熊有多大?
How big are polar bears?
用英语回答!
解答:
Adult male polar bears measure 2.5 to 3 meters (8 to 10 feet) tall. They weigh 250 to 770 kilograms (550 to 1,700 pounds). Adult female bears are smaller. They measure 1.8 to 2.5 meters (6 to 8 feet) tall and weigh 90 to 320 kilograms (200 to 700 pounds).
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