极地的英文：
polar region

参考例句：

stratification in polar water normally is weak and transient
极地水域的成层性是微弱而暂时的。

Transpolar flights from London to Tokyo
由伦敦至东京穿越极地的航班.

Most insects do not live in polar region.
大多数的昆虫不在极地地区生存。

Over the polar regions we should see aurora
在极地高空，我们会看到极光。

The reporter has sent an article describing the rigors of life at the poles
那位记者发来了一篇描写极地生活的艰苦的文章。

The photography in the film about arctic wildlife was superb.
那部影片中拍摄的极地野生动物好看极了.

The polar explorers took every precaution to minimize the dangers of their trip.
极地探险者十分小心谨慎，以便使旅途的危险性减少到最小。

The photography in the film about arctic wildlife was superb.
那部影片中拍摄的极地野生动物好看极了。

The mountain have an ethereal hue with a clearness almost polar in its severity.
这些群山有一种超然的色彩，明亮的程度近乎于极地。

The first thing you'll see on Mars will be one of the polar ice caps
在火星上你看到的第一件东西是两个极地冰帽中的一个。

polar是什么意思：
adj. 极地的，两极的；磁极的，有磁性的；电极的；正好相反的

The alkanes are non-polar.
烷是非极性的。

Love and hatred are polar feelings.
爱与恨是完全相反的感情。

There is a ideological polarity between nations.
国家间意识形态存在截然对立。

linearly polarized light will in consequence become elliptically polarized on total reflection
因此，线偏振光径全反射后将变成椭圆偏振光。

The continuum of the corona is essentially radially polarized
日冕连续区基本上是经向偏振。

region是什么意思：
n.地区，行政区，领域，范围

regional exchange
美国在纽约以外地区的证券交易所

He is an authority in the region of chemistry.
他是化学界的权威。

This region is remarkable for its scenery.
这个地区享有风景独特的盛名。

region of high barometric pressure
高气压区

regional conference on the private sector
私营部门问题区域会议