It would be fantastic if we could refreeze the Arctic.

如果我们能重新冰冻北极就好了。

And here is what would happen if we could refreeze the Arctic?

我们一路坎坷，如果我们重新冰冻北极会怎样。

Can you refreeze melting Arctic ice?

你们能够重新冻结正北极冰吗？

We should at least try to refreeze a small portion of it.

至少应该试着重新冻结一小部分。

If the sea refreezes, they can become trapped, unable to feed or reach the surface to breathe.

如果海面再次冻结，它们就会被困住，无法进食，无法探出水面进行呼吸。

The warm air completely melts the ice into rain and then doesn't have time to refreeze back into snow.

温暖空气将冰完全成雨，并且没有时间重新冻结成雪。

It's now thought that this ice dam repeatedly melted and refroze as many as 25 times over several centuries.

现人们认为，这座冰坝几个世纪内反复并再冻结多达 25 次。

And once your skate passes, the water refreezes.

一旦你冰鞋通过，水就会重新结冰。

A lot of what melts, however, does not flow away. It later refreezes onto the ice sheet when the weather cools.

然而，许多水并没有流失。当气候变冷时，它会再次冻结冰盖上。

Much of the melt will refreeze, but the amount that is lost for good might exceed the record loss in 2012.

多数冰会再次冻结，但永远失去冰盖数量将打破2012年记录。

Of course, the top layer kind of thaws over summer and then refreezes over winter.

当然，顶层会夏天，然后冬天重新冻结。

Well we are going to try and refreeze the caesium by cooling it with liquid nitrogen.

好吧， 我们将尝试通过用液氮冷却铯来重新冻结铯。

Spots of melting snow have created ponds and channels that refreeze into stunning veins of blue ice.

雪点形成了池塘和河道，这些池塘和河道重新冻结成令人惊叹蓝色冰脉。

" And this rain caused freezing and refreezing and melting within the cracks and this of course splits up the cracks, you know."

“雨水引起裂缝中产生冰冻，重复冰冻和，你知道，这样会加大裂缝。”

Formerly a solid mass that melted and refroze at its edges, it is now thinner, more fractured, and so more liable to melt.

以前和冻结仅发生冰块边缘，但是它现变得更薄，更易破裂，并且更倾向。

Sleet is similar except it falls through a smaller layer of warm air and has time to refreeze just a bit before reaching the ground.

雨夹雪与之相似，只是它通过了一层较小暖空气层，达到地面之前有时间再重新冻结一下。

As it makes its decent, they both melt into a raindrop as it's entering the lower levels of the atmosphere sleet will refreeze into basically an ice pellet.

当雨滴进入大气层低层时，它们都会成一个雨滴，雨夹雪基本上会重新冻结成一个冰粒。

And the more times they have to freeze, thaw and refreeze, the more likelihood that they'll be a little worse for wear at the end of the winter.

被迫“冷冻-解冻-再冷冻”次数越多，它们就越可能冬季结束时状态变糟。

You don't want to do that. Refreezing not only removes moisture, but it creates ice crystals in the fibers of the meat that can compromise its taste and texture.

你不会想那样做。二次冷冻不仅会损失水分，还会肉纤维里产生冰晶，那会影响肉味道和肉质。

" The bears face an ever longer fasting period before the ice refreezes and they can head back out to feed, " Steven Amstrup, who conceived the study and is chief scientist of Polar Bears International, told AFP.

该研究提出者、北极熊国际协会首席科学家斯蒂芬·阿姆斯特拉普告诉法新社说：“冰雪重新冻结、可以外出觅食前，北极熊面临着前所未有超长禁食期。”