polar意思是：極地的；近地極的；南極（或北極）的；磁極的。
1.The?summit?is?shrouded?in?freezing?mist,?and?my?wife?is?concerned?we?might?have?a close?encounter?of the scary kind with a?polar?bear.
山頂上被凍霧所籠罩，我妻子擔心我們會與北極熊不期而遇。
2.A?polar?bear?dries?off?in?the?sun?after?coming?out?of?the?water?in?his?enclosure?at?a?zoo?in?Berlin.
在柏林動物園裏，壹只北極熊在自己的領地爬出水面後在太陽底下晾幹著。
3.In?1971?he?setout?with?his?wife?and?baby?daughter,?Karifornorthwest?Greenland?to?live?with the?Polar?Eskimos.
1971年，他帶著妻子與女嬰卡裏到格陵蘭西北部與愛斯基摩人生活在壹起。
4.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，所以壹些專家認為月球上有冰的存在。