单词：polar
n. 极线, 极面
a. located at or near or coming from the earth's poles
a. of or existing at or near a geographical pole or within the Arctic or Antarctic Circles
考试类型：[六级/考研/托福/IELTS/GRE]
polar的用法和样例：
例句
- 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。
- 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。
常见句型
- It's very cold in the polar regions.南北极地带是很寒冷的。
- The Arctic remains the domain of the polar bear.北极仍是北极熊的领地。
- They are of polar opinions.他们的意见截然相反。
词汇搭配
- polar cap[天]行星两极处之极...
- polar bear北极熊
- polar angle极角
- polar coordinate极坐标,极座标...
- polar navigation极区航行,极性导航子...
- polar front[气]极面
- polar circle极圈
- polar diagram极图
- polar curve配极曲线,极线,极坐...
- polar axis极轴
- polar equation极方程,极坐标方程...
- polar projection极投影
- polar body极体
- polar zone定向偶极区
- polar vector极矢量
- polar molecule极性分子
- polar nucleus极核
- polar region极地
- polar distance[天]极距
经典引文
Well known to the Polar traveller.
出自：E. K. KaneHe has three kinds of clothingstemperate, tropical and polar.
出自：A. BurgessThese strange lands of more than polar darkness.
出自：L. Gordon
- glacial冰川(期)的
- arctic北极的
- counter柜台
- Antarctic南极的
- diametric直径的
- frigid寒冷的
- icy冰的
- pivotal重要的
- gelid冰似的
- opposite相反的
- diametrical直径的
- equatorial近赤道的
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