polar

英 ['pəʊlə(r)] 美 ['poʊlər]

• adj. 两极的；对立的
• n. 极线；极性

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.

详尽释义

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

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 earth's 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。

常见句型

用作形容词 (adj.)

用作定语

～+ n.

1. It's very cold in the polar regions.
   南北极地带是很寒冷的。
2. The Arctic remains the domain of the polar bear.
   北极仍是北极熊的领地。
3. They are of polar opinions.
   他们的意见截然相反。

经典引文

• Well known to the Polar traveller.

  出自： E. K. Kane

• He has three kinds of clothingstemperate, tropical and polar.

  出自： A. Burgess

• These strange lands of more than polar darkness.

  出自： L. Gordon

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

近反义词

【近义词】

• 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

【反义词】

• equatorial 近赤道的