polar
adj. 极地的；两极的；正好相反的
n. 极面；极线
n. (Polar)人名；(德、西)波拉尔
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.
这两种政体正好相反。
The two systems of government are polar opposites.
这两种政体正好相反。
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。
权威例句
The Dielectric Polarization of Polar LiquidsPolar 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...
polar (adj.)
1550s, from Middle French polaire (16c.) or directly from Medieval Latin polaris "of or pertaining to the poles," from Latin polus "an end of an axis" (see pole (n.2)). Meaning "directly opposite in character or tendency" is attested from 1832. Polar bear first recorded 1781.
1. The polar region is the habitat of the polar bear.
北极地带为北极熊的栖息地。
-- 来源 -- 英汉 - 辞典例句
2. A polar bear has a preference for cold weather.
北极熊喜欢寒冷的天气。
-- 来源 -- 英汉 - 辞典例句
3. 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。
-- 来源 -- 英汉 - 辞典例句
4. Stratification in polar waters normally is weak and transient.
极地水域的成层性是微弱而暂时的。
-- 来源 -- 英汉 - 辞典例句
5. Keesh lived at the edge of the polar sea.
季奚住在北极海的边缘上。
-- 来源 -- 英汉 - 辞典例句
6. 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。
-- 来源 -- 英汉 - 辞典例句
7. The polar and egg nuclei of the female gametophyte are genetically identical.
雌配子体中的极核和卵核遗传上是同一的。
-- 来源 -- 英汉 - 辞典例句
8. The radome causes an angular displacement of the tracking aerial polar diagram.
天线罩使跟踪天线的极图产生了角位移。
-- 来源 -- 英汉 - 辞典例句
9. Over the polar regions we should see aurora.
在极地高空，我们会看到极光。
-- 来源 -- 英汉 - 辞典例句
10. I am steady as a rock-fixed as the Polar Star.
我坚定得象磐石，稳定得象北极星。
-- 来源 -- 英汉 - 辞典例句
polar
