The results show a bleak future for Marine life as ocean acidity rises, and suggest that similar lowering of ocean pH levels may have been responsible for massive extinctions in the past.

结果表明，由于海洋酸度上升，海洋生物的未来暗淡，认为类似持续降低的海洋pH值可能导致了过去大规模物种的灭绝。

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If you don't work hard now, you will get a bleak future.

你现在不好好努力，将来也将前途暗淡。

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I glimpsed a bleak future.

我隐约感到前途黯淡。

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I glimpsed a bleak future.

我隐约感到前途黯淡。

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