polar是什么意思？

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；

例句

• They are of polar opinions. 他们的意见截然相反。
• It's very cold in the polar regions. 南北极地带是很寒冷的。
• polar lobe 极叶
• The ivory gull often follows polar bears to feed on the remains of seal kills. 象牙海鸥经常跟在北极熊的后面吃剩下的海豹尸体。
• A polar bear has a preference for cold weather. 北极熊喜欢寒冷的天气.
• The Arctic remains the domain of the polar bear. 北极仍是北极熊的领地.
• The Arctic is a polar region. It'surrounds the North Pole. 北极地区是个极地的区域, 它把北极围在中间.
• Applications: Polar region operation , Industry , Mining, Argriculture, Forestry, Construction, Chemical industries. 主要用途: 工矿业 、 农渔业 、 林业 、 建筑 、 化工等行业.
• The polar region is the habitat of the polar bear. 北极地带为北极熊的栖息地.
• Polar bears, desert gazelles and sharks were all added to the list of species facing extinction. 北极熊 、 漠瞪羚和鲨鱼都已经被列入濒临灭绝的物种.

英语六级真题

We've had more people booking in the first quarter of this year than last," says Hubert Moineau, founder of Tselana Travel, which is planning to introduce a new program of longer adventure trips, including polar expeditions and cruises in the Galápagos.
出自-2011年6月听力原文
The prices of polar expeditions
出自-2011年6月听力原文
Some polar animals will soon become extinct.
出自-2010年12月听力原文

柯林斯高阶英汉双解学习词典释义

• ADJ
  近地极的；极地的
  Polar means near the North and South Poles.
  例句
  ...the rigours of life in the polar regions... 在极地地区生活的艰苦 Warmth melted some of the polar ice. 温暖的天气融化了一些极地的冰雪。
• ADJ
  （在性质、类型等方面）完全相反的，截然对立的
  Polar is used to describe things which are completely opposite in character, quality, or type.
  例句
  In many ways, Brett and Bernard are polar opposites. 在许多方面，布雷特和伯纳德截然不同。 ...economists at polar ends of the politico-economic spectrum. 政治经济观点完全对立的经济学家

英汉词典释义

• adj.
  (近)北[南]极的
  It's very cold in the polar regions. 南北极地带是很寒冷的。
  正好相反的
  They are of polar opinions. 他们的意见截然相反。

英英词典释义

• 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"- Henry Kissinger"the polar events of this study""a polar principal"

行业词典

• 大气科学： 极轨气象卫星；polar-orbiting meteorological satellite 又称“太阳同步气象卫星(solar synchronous meteorological satellite)” 。运行轨道近乎通过地球南北两极地区上空的气象卫星。；
  天文学： 高偏振星；"又称 :高偏振星(AM Her star,AM Her binary) "；在可见区或附近光谱区具有强线偏振和强圆偏振辐射的激变双星。其一子星是以双星轨道周期同步自转的强磁场白矮星，另一是红矮星。；
  数学： 极集；
  航天： 极曲线；