考古学推测人类在那里出现已经有50000年之久，因此土著澳洲人或许是世界上延续下来的几个最古老的人种之一。
Archaeology suggests humans have been there for 50, 000 years, so the Aboriginal Australians may be one of the oldest continuous populations in the world.
考古学推测人类在那里出现已经有50000年之久，因此土著澳洲人或许是世界上延续下来的几个最古老的人种之一。
Archaeology suggests humans have been there for 50,000 years, so the Aboriginal Australians may be one of the oldest continuous populations in the world.
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