polar

英 [ˈpəʊlə(r)]

美 [ˈpoʊlər]

adj.  极地的; 近地极的; 南极(或北极)的; 磁极的; 完全相反的; 截然对立的

复数：polars　

CET6考研TOEFLIELTSGRETEM8

Collins.1 / BNC.7165 / COCA.6795

牛津词典

adj.

• 极地的；近地极的；南极（或北极）的
  connected with, or near the North or South Pole
  1. the polar regions
     极区
  2. polar explorers
     极地探险家
• 磁极的
  connected with the poles (= the positive and negative ends) of a magnet
  1. polar attraction
     极向引力
• 完全相反的；截然对立的
  used to describe sth that is the complete opposite of sth else
  1. The parents' position is often the polar opposite of the child's.
     父母的观点常与孩子的完全相反。

柯林斯词典

• ADJ 近地极的；极地的
  Polarmeans near the North and South Poles.
  1. ...the rigours of life in the polar regions...
     在极地地区生活的艰苦
  2. Warmth melted some of the polar ice.
     温暖的天气融化了一些极地的冰雪。
  3. ...polar explorers.
     极地探险者
• ADJ （在性质、类型等方面）完全相反的，截然对立的
  Polaris used to describe things which are completely opposite in character, quality, or type.
  1. In many ways, Brett and Bernard are polar opposites.
     在许多方面，布雷特和伯纳德截然不同。
  2. ...economists at polar ends of the politico-economic spectrum.
     政治经济观点完全对立的经济学家

双语例句

• This paper puts forward a method of target recognition based on multi-feature integration and polar coordinates transformation.
  提出一种基于多特征融合和极坐标变换的目标识别方法。
• For the first time they're finding polar bears that have actually drowned.
  人们首次发现了淹死的北极熊。
• DPPH radical scavenging activities of different polar extracts in vinegar were studied, and total phenolic content was determined.
  研究了镇江香醋中不同极性组分对DPPH自由基的清除活性，并测定了各极性组分中的总酚含量。
• It has an atmosphere, seasons, and distinctive polar ice caps.
  它也有空气、季节和独特的极地冰冠。
• I am going to use polar coordinates.
  我将用极坐标。
• You have a function that you want to switch between rectangular and polar coordinates.
  把一个函数，在直角坐标和极坐标中转换。
• We only have the one bond so the actual HF molecule is polar, it has a net dipole.
  但HF中只有一根键，所以分子也是极性的而甲烷中有一个网状偶极。
• There's a butterfly, a polar bear and her cub, and much, much more.
  有蝴蝶，北极熊和她的幼童，和不多，更多的工作。
• In terms of the Schrodinger equation, we now can write it in terms of our polar coordinates here.
  在薛定谔方程中，我们现在可以用，极坐标的方式来表示了。
• Alaska still is a land of iceberg and polar bear.
  阿拉斯加现在仍是冰山和北极熊的世界。