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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。
Many scientists have therefore concluded that a sixth great mass extinction is currently in progress.
youdao
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然而，避免第六次物种灭绝的机会窗口正在迅速关闭。
However, the window of opportunity is rapidly closing.
youdao
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然而，避免第六次物种灭绝的机会窗口正在迅速关闭。
However, the window of opportunity is rapidly closing.
youdao