polar

polar读音音标

英 [ˈpəʊlə(r)]

美 [ˈpoʊlə(r)]

polar意思解释

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)

[A] 南〔北〕极的；(近)地极的 of,near,like or coming from lands near the North or South Poles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

双语例句

用作形容词(adj.)Are there any animals in the polar circles?南极圈和北极圈内有动物存在吗？The two systems of government are polar opposites.这两种*体正好相反。The two systems of government are polar opposites.这两种*体正好相反。Love and hatred are polar feelings.爱与恨是完全相反的感情。用作名词(n.)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。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。