It would be fantastic if we could refreeze the Arctic.

如果能新冻北极就好了。

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

一路坎坷，如果新冻北极怎样。

Can you refreeze melting Arctic ice?

你能够新冻结正在融化的北极吗？

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

至少应该试着新冻结一小部分。

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

如果海面次冻结，它就被困住，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.

温暖的空气将完全融化成，并且没有时间新冻结成雪。

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

现在人认为，这座坝在几个世纪内反复融化并冻结多达 25 次。

And once your skate passes, the water refreezes.

一旦你的鞋通过，水就新结。

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

然而，许多融化的水并没有流失。当气候变冷时，它次冻结在盖上。

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

多数融次冻结，但永远失去的盖数量将打破2012年的记录。

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

当然，顶层在夏天融化，然后在冬天新冻结。

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

好吧， 将尝试通过用液氮冷却铯来新冻结铯。

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

融化的雪点形成了池塘和河道，这些池塘和河道新冻结成令人惊叹的蓝色脉。

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

以前融化和冻结仅发生在块的边缘，但是它现在变得更薄，更易破裂，并且更倾向融化。

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.

夹雪与之相似，只是它通过了一层较小的暖空气层，在达到地面之前有时间新冻结一下。

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.

当滴进入大气层的低层时，它都融化成一个滴，夹雪基本上新冻结成一个粒。

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-冷冻”的次数越多，它就越可能在冬季结束时状态变糟。

" 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.

该研究的提出者、北极熊国际协的首席科学家斯蒂芬·阿姆斯特拉普告诉法新社说：“在雪新冻结、可以外出觅食前，北极熊面临着前所未有的超长禁食期。”

There are reports of igloos losing their insulating properties as tile snow drips and refreezes, of lakes draining into the sea as permafrost melts, and sea ice breaking up earlier than usual, carrying seals beyond the reach of hunters.

有报道称因纽特人的小屋由于下雪后次结就失去了隔温功能。类似的报道还有由于永久冻土的融化使得湖退变成了海，海中的相比从前更早断裂，从而带走了猎人寻找的海豹。