polar是什麼意思_音標_用法_例句

簡單釋義：

adj. 極地的；近地極的；南極（或北極）的；磁極的

n. 【幾】極線；極面

網絡 極坐標圖；極性；南極的

完整釋義：

adj.

1.北極,極地
2.中軸一樣的;中心的;(像北極星那樣)有指向意義的
3.南極的;北極的
4.極生的
5.(南、北)極的,地極的;近地極的
6.(性格)正相反的
7.端的
8.【化學】極化的,離子化的;(多)極性的
9.【物、化】(有)極的;磁極的;有磁性的
10.【幾】極線的

n.

1.極地冰蓋
2.極坐標
3.【幾】極線;極面

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.
   飛船C的數據顯示了月球的壁面具有反射光的能力，所以一些專家認為月球上有冰的存在。

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，他帶着妻子與女嬰卡里到格陵蘭西北部與愛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，很多的冰才使北極熊幼仔豐產，它們取名皮納圖博北極熊寶寶。

4. The goal of the United States has always been a global hegemony, while the Europe Union expects to see a multi-polar world.
   美國始終以全球霸權為目標，而歐盟更願意看到一個多極的世界。

5. A stranded female polar bear and mother of two cubs waits for the sea ice to return to be able to hunt.
   滯留的雌性北極熊-兩個小熊的母親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.
   我們前面討論了完全競爭市場，現在我們來看看市場的另一個極端，即壟斷。

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.
   這張照片展示了某個極地隕坑，隕坑中還保存着一些夏季冰的痕迹，在風的作用下形成了一些美麗的沙丘。

8. but highly polar or hydrophilic compounds are not easy to be extracted.
   但一些極性大或親水的組分不易分離出來。