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来源：雅诚德英语网
Of course, humanity is currently setting off the sixth mass extinction event in Earth's history.
当然，人类正在引发地球历史上第6次物种大灭绝。
Of course, humanity is currently setting off the sixth mass extinction event in Earth's history.
当然，人类正在引发地球历史上第6次物种大灭绝。