Many scientists have therefore concluded that a sixth great mass extinction is currently in progress.

因此，许多科学家得出结论，第六次大规模物种灭绝正在发生。

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We are now in the early stage of the sixth great extinction.

我们现在已经进入地球第六个大绝种时期；

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We are now in the early stage of the sixth great extinction.

我们现在已经进入地球第六个大绝种时期；

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