polar
英 [ˈpəʊlə(r)] 美 [ˈpoʊlə(r)]

adj.

极地的，两极的；正好相反的；[化，物]磁极的，有磁性的；

n.

[几]极线，极面；

双语释义

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

polar[ 'pəulə ]

• adj.
  • having a pair of equal and opposite charges
  • characterized by opposite extremes; completely opposed

    "extreme and indefensible polar positions"

    同义词：diametricdiametricalopposite

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

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

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

    "polar regions"

  • extremely cold

    "polar weather"

    同义词：arcticfrigidgelidglacialicy

  • being of crucial importance

    "the polar events of this study"; "a polar principal"

    同义词：pivotal

词组短语

polar bear北极熊

polar coordinate极坐标；极座标；极坐标系统

polar region极地；近极区域

polar ice极地冰

polar solvent[化]极性溶剂

polar fleece摇粒绒

polar group极性基团

polar body极体

polar angle极角

polar cap[地]极地冰冠；[天]火星表面的极冠；高山冰冠

polar axis[天]极轴

polar molecule极性有极分子

更多收起词组短语

双语例句

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。

权威例句

The Dielectric Polarization of Polar Liquids
Polar drug residues in sewage and natural waters in the state of Rio de Janeiro, Brazil.
Regulation of Polar Auxin Transport by AtPIN1 in Arabidopsis Vascular Tissue
Subpicosecond Measurements of Polar Solvation Dynamics: Coumarin 153 Revisited
Interfacial Lifshitz-van der Waals and polar interactions in macroscopic systems
Microsatellite analysis of population structure in Canadian polar bears.
A mesoscale phytoplankton bloom in the polar Southern Ocean stimulated by iron fertilization.
Single-crystal nanorings formed by epitaxial self-coiling of polar nanobelts
An integrated procedure for the extraction of bacterial isoprenoid quinones and polar lipids
Two dimensional thin layer chromatographic separation of polar lipids and determination of phospholipids by phosphorus analysis of s...