polar
['pəulə]
adj. 极地的；两极的；正好相反的
n. [数]极面；极线
同义词
反义词
参考例子
1.Pollen grain semiangular in polar view.
花粉粒半具角在极面观。
2.And what better treat could a polar bear get on a hot day but some big blocks of ice?
除了一些巨大的冰块，在大热天，一头北极熊还能够被给与什么更加好的对待呢？
3.A polar bear takes a dip in the pool during the warm summer weather at the zoo in Munich, Germany.
德国慕尼黑动物园内的北极熊一边照“镜子”，一边浸泡在水池内以度过炎热的夏天！
英文解释
adj.
1.having a pair of equal and opposite charges
2.characterized by opposite extremes; completely opposed
3.located at or near or coming from the earth's poles
4.of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
5.extremely cold
6.being of crucial importance
网络释义
POLAR
芬兰博能; 极性; 极坐标图; 极坐标;
polar coordinate
极坐标; 极坐标系统; 极坐标 极座标; 极座标;
polar equation
极方程; 极坐标方程; 极方程式;
polar zone
极带; 寒带; 极区; 极带, 寒带;
polar vortex
极地涡旋; 极涡;