polar是什么意思_音标_用法_例句

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

n.

1.极地冰盖
2.极坐标
3.【几】极线;极面

例句：

1. C's data indicates that the wall of the south polar crater was more reflective than expected. So some experts think probably ice there.
   飞船C的数据显示了月球的壁面具有反射光的能力，所以一些专家认为月球上有冰的存在。

2. In 1971 he set out with his wife and baby daughter, Kari for north-west Greenland to live with the Polar Eskimos.
   1971年，他带着妻子与女婴卡里到格陵兰西北部与爱斯基摩人生活在一起。

3. 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。

4. The goal of the United States has always been a global hegemony, while the Europe Union expects to see a multi-polar world.
   美国始终以全球霸权为目标，而欧盟更愿意看到一个多极的世界。

5. A stranded female polar bear and mother of two cubs waits for the sea ice to return to be able to hunt.
   滞留的雌性北极熊-两个小熊的母亲正在等待可以返回的海冰。

6. We have spent a great deal of time on the competitive model, and we now turn to the polar opposite case, that of monopoly.
   我们前面讨论了完全竞争市场，现在我们来看看市场的另一个极端，即垄断。

7. This image shows part of a polar crater that still holds on to some summer ice, as well as beautiful sand dunes sculpted by the wind.
   这张照片展示了某个极地陨坑，陨坑中还保存着一些夏季冰的痕迹，在风的作用下形成了一些美丽的沙丘。

8. 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。