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polar是什么意思

2024-02-01 01:42:16
polar
美[poʊlər]  英[pəʊlə(r)]
adj.  两极的;对立的
n.  极线;极性
  近义词:glacial,arctic,counter,Antarctic,diametric,frigid,icy,pivotal,gelid,opposite,diametrical,equatorial,

详细释义

adj.(形容词)
  1. 越过行星两级的,在极轨道上运行的
  2. 地极的,近地极的,极地的
  3. (有)极的,极性的,配极的,极坐标(系)的
  4. 截然对立的,正好相反的
  5. 磁极的,电极的
  6. 中枢的,关键性的
  7. 指导的,指引的
n.(名词)
  1. 【数】极线,极面,配极曲线

双解释义

adj.(形容词)
  1. [A] 南〔北〕极的;(近)地极的 of,near,like or coming from lands near the North or South Poles
  2. 正好相反的 exactly opposite in kind,quality,etc.

英英释义

Adjective
  1. having a pair of equal and opposite charges
  2. characterized by opposite extremes; completely opposed;

    "in diametric contradiction to his claims" "diametrical (or opposite) points of view" "opposite meanings" "extreme and indefensible polar positions"

  3. located at or near or coming from the earths poles;

    "polar diameter" "polar zone" "a polar air mass" "Antarctica is the only polar continent"

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

    "polar regions"

  5. extremely cold;

    "an arctic climate" "a frigid day" "gelid waters of the North Atlantic" "glacial winds" "icy hands" "polar weather"

  6. being of crucial importance;

    "a pivotal event" "Its pivotal location has also exposed it to periodic invasions" "the polar events of this study" "a polar principal"

例句

用作形容词(adj.)
  1. Are there any animals in the polar circles?南极圈和北极圈内有动物存在吗?
  2. The two systems of government are polar opposites.这两种政体正好相反。
  3. The two systems of government are polar opposites.这两种政体正好相反。
  4. Love and hatred are polar feelings.爱与恨是完全相反的感情。
用作名词(n.)
  1. A molecule where the centers do not coincide is called a polar molecule.正负电荷中心不重合的分子称为极性分子。
  2. In some plants, lycolipids constitute the major polar lipids in ceil membranes.在有些植物中糖脂是细胞膜中主要的极性油脂。