polar

美音：['poʊlər] 英音：['pəʊlə(r)]

简单释义：

adj.极地的；近地极的；南极（或北极）的；磁极的

n.【几】极线；极面

网络极坐标图；极性；南极的

完整释义：

adj.

1.北极,极地
2.中轴一样的;中心的;(像北极星那样)有指向意义的
3.南极的;北极的
4.极生的
5.(南、北)极的,地极的;近地极的
6.(性格)正相反的
7.端的
8.【化学】极化的,离子化的;(多)极性的
9.【物、化】(有)极的;磁极的;有磁性的
10.【几】极线的

1.极地冰盖
2.极坐标
3.【几】极线;极面

例句：

Large ice sheets did not exist across the north and south polar regions as they do today.
南北两极并不像现在一样覆盖着巨大的冰层。
I clearly explained that life after a polar reversal is nothing but horror, pure unimaginable horror.
我清楚地解释说，生活在极地逆转，不过是恐怖片，纯难以想象的恐怖。
Clementine's data indicates that the wall of the south-polar crater was more reflective than expected.
C飞船的数据表示，南极坑的外壁比想象中的更具反光性。
According to a news story, if global warming continues, in 20 years the only chance we'll have to see a polar bear is in a zoo.
按照一则新闻的说法，如果全球变暖持续下去，在20年内我们能够看到北极熊的唯一的机会就是在动物园了。
The truth was that polar bears are ferocious wild animals and can become desperate for food in the ice-free summer months.
事实上北极熊是凶猛的野生动物，在无冰的夏季，北极熊会因难以觅食而变得饥不择食。
but highly polar or hydrophilic compounds are not easy to be extracted.
但一些极性大或亲水的组分不易分离出来。
There was so much ice in 1992 , the following year, that there was a bumper crop of polar bear cubs who were known as the Pinatubo cubs .
第二年1992年，很多的冰才使北极熊幼仔丰产，它们取名皮纳图博北极熊宝宝。
Keeping warm: Just like the polar bear and the otter, it is possible that humans develop an extra layer of "blubber" to keep warm.
保暖：就像北极熊和水獭，人类很有可能长出类似于“鲸脂”的皮层来保暖。

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