The US Fish and Wildlife Service declared the eastern cougar officially extinct Wednesday, even though the big cat is believed to have first disappeared in the 1930s.
美国鱼类和野生动物管理局在星期三宣布东部美洲狮已正式灭绝，但是人们认为这种大型猫科动物在20世纪30年代就消失了。
The US Fish and Wildlife Service declared the eastern cougar officially extinct Wednesday, even though the big cat is believed to have first disappeared in the 1930s.
美国鱼类和野生动物管理局在星期三宣布东部美洲狮已正式灭绝，但是人们认为这种大型猫科动物在20世纪30年代就消失了。
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