Satellite observations and submarine surveys over the past few years had shown less ice in the polar region, but the recent measurements show the loss is more pronounced than previously thought.

在过去的几年里，卫星观测和海底勘测结果显示极地冰越来越少，近期的测量结果显示极地冰的减少比人们先前想象的更为明显。

The only way to be in the polar vortex is to be in an airplane.

在极地漩涡中的唯一方法就是乘坐飞机。

It wasn't available to earlier polar explorers, whose diet was commonly insufficient for their health.

早期的极地探索者无法使用这种方式，他们的饮食普遍对身体。

According to meteorologists, it's not accurate to say the polar vortex is coming to get you but it can cause frigid air to invade the continent and that's exactly what it will be doing this weekend.

根据气象学家的说法，极地漩涡侵袭的说法并准确，但它会导致寒冷空气入侵欧洲大陆，这正是本周末将要发的。

Sea levels will rise as ice around the Earth's poles continues to melt.

极地冰的持续融化会使海平面升高。

Some corners of Mercury polar craters are in permanent shadow.Here, on the most sunbaked planet of all, water seems to survive frozen in the eternal darkness.

一些角落里的水银极地陨石坑在永久的影子。在这里, 在地球上的所有最太阳炙烤下, 水似乎冻结在永恒的黑暗中存。

Today, different species of penguins can be found in very different environments from the frigid polar landscape of Antarctica to the tropical region of the Galapagos Islands.

如今，从南极寒冷的极地景观到加拉帕戈斯群岛的热带地区，在这些非常同的环境中都能够发现同种类的企鹅。

Modern animals that migrate to polar climes, notably birds, do often breed there.

迁徙到极地的现代动物，特别是鸟类，通常会在那里繁殖。

Young polar cod are pelagic, meaning they live at or near the surface.

年幼的极地鲟鱼是海洋物，也就是说他们活在或者接近海平面。

Leshin worked on the Mars polar lander that crashed in 1999.

莱欣曾参与了1999年坠毁的火星极地着陆器的工作。

Won Young Lee is a biologist at the Korean Polar Research Institute.

李元英是韩国极地研究所的物学家。

We will need to assimilate into globally diverse societies, living in new, polar cities.

我们居住在全新的极地城市，需要融入全球多元化的社会。

Those are some big words on mountains or near the poles.

那些是在山脉或靠近极地的大词。

As the polar ice caps melt, ocean levels will rise.

随着极地冰层的融化，海平面将上升。

As our climate warms up, the polar ice caps will begin to melt.

【polar】随着地球气候逐渐变暖，极地的冰冠将开始融化。

At the upper timberline the trees begin to become twisted and deformed.

上行树带界线，和雪线一样，在热带最高，在极地最低。从极地地区的海平面到干燥的亚热带地区的海拔4 500米处以及潮湿的热带地区海拔3 500米至4 500米处都有上行树带界线。树带界线内通常是常绿树，它们和处于上行树带界线处极端恶劣环境中长的落叶树木相比，具有一定的优势。然而，在部分地区也有由落叶阔叶林组成的树带界线。例如，在喜马拉雅的部分地区，桦树就在树带界线上。

Chakraborty studied that process in large thunderstorm systems over the tropics, using data from geostationary and circumpolar satellites.

查克拉伯蒂研利用同步卫星和极地卫星收集的数据，在热带地区的大型雷暴系统中研究了这一过程。

But as people made their way closer and closer to the frigid polar regions, they evolved to be a bit shorter and stockier to help conserve heat and keep warm in the cold winter months.

但是，随着人们越来越接近寒冷的极地地区，他们进化得更矮更胖，以便在寒冷的冬季保存热量和保持温暖。

To date, Druckenmiller and his colleagues have spent decades braving the elements to figure out what made this remote polar location an attractive place to raise a family… at least for dinos who didn't mind the cold.

到目前为止，Druckenmiller 和同事花了几十年勇闯恶劣环境来弄清为何这片遥远的极地之境吸引动物来此养育后代——至少引来了怕冷的恐龙。

" People sometimes call phytoplankton – which is algae in the water – the forests of the sea, " says Karen Frey, a professor of geography specialising in polar science at Clark University in Worcester, Massachusetts.

“人们有时把浮游植物——水中的藻类——称为海洋森林，”马萨诸塞州伍斯特克拉克大学专攻极地科学的地理学教授卡伦·弗雷说。