The Canadian Arctic is a vast, treeless polar desert that's covered with snow for most of the year.

加拿大的北极是一个广阔的、没有树木的极地沙漠，一年中大部分时间都被雪覆盖着。

youdao

A hunter who took what appeared to be a baby polar bear from the North Pole has been found and will face strict punishment.

一个猎人从北极捕获了一只疑似北极熊幼崽的动物，目前已被发现，他将面临严厉的惩罚。

youdao

On Wednesday, a polar wind brought bitter cold to the Midwest.

周三，一股极地风给中西部地区带来了刺骨的严寒。

youdao

Warmer temperatures cause water to expand,a phenomenon called thermal expansion, and cause glaciers and polar ice caps to melt.

VOA: standard.2009.11.09

So for example I defined p, remember back over here, as a Cartesian point, but I can actually ask for its polar form.

我可以要求返回它的极坐标形式，这里对我是可访问的，好，这很棒，请再记另外一个为什么。

麻省理工公开课 - 计算机科学及编程导论课程节选

A good example of that is CH4, because the CH bond is polar but symmetrically disposed in space.

甲烷就是一个很好的例子，因为极性键是,空间对称的。

麻省理工公开课 - 固态化学导论课程节选

As white as a polar bear in a wedding dress, the PSS110 promised to add a spontaneous soundtrack in any space for up to ten hours.

ENGADGET: Switched On: Philips PSS110, The Little Boombox That Can't

He tags along on a 1960s expedition to Greenland and saves the day when the group runs out of food, by felling a polar bear with a single shot.

FORBES: Don't Go Near The Volcano

The man who shot dead a polar bear that attacked a group of students in Norway has been released from hospital.

BBC: Hospital discharges polar bear attack leader Spike Reid