The findings add another wrinkle to a problem climate scientists have been warning about since the record melt of 2007: after each summer meltback, the Arctic Ocean refreezes completely in winter.

这个结果在原有的基础上，给气候问题增加了另一个新的曲折。 自2007年融化的冰的面积创纪录，气候科学家们已经警告：每年夏季反复融化冻结后，北冰洋在冬天冰会完全冻结的。

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We must also be able to add and change its identity at will, even after the record has been stored away.

我们还必须能够随意添加或者改变它的标志，甚至在记录已经存储之后。

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