polar-主題

polar

['pəulə]

adj.兩極的, 對立的 
n.極線,極性

例句與用法：

Although they can swim, the polar bears are terrestrial animals.

北極熊雖然會游泳，但也是陸棲動物。

The polar bear's habitat is the icy waters of the Arctic.

北極熊的棲息地是冰冷的北極海域。

Located or found in one of the Polar Regions.

環極的，圍繞極地的位於或發現於一個極地區域中的

Are there any animals in the polar circles?

南極圈和北極圈內有動物存在嗎？

Polar distance; polar diameter.

極距; 兩極的直徑

The two systems of government are polar opposites.

這兩種政體正好相反。

英文解釋:

形容詞 polar:

having a pair of equal and opposite charges

characterized by opposite extremes; completely opposed

同義詞：diametric, diametrical, opposite

located at or near or coming from the earth's poles

of or existing at or near a geographical pole or within the Arctic or Antarctic Circles

extremely cold

同義詞：arctic, frigid, gelid, glacial, icy

being of crucial importance

同義詞：pivotal

同義詞

glacial | arctic | counter | Arctic | Antarctic | diametric | frigid | icy | pivotal | gelid | opposite | diametrical |

反義詞

equatorial |

以上來源於大辭典