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polar中文什么意思

[ 'pəulə ]发音:   用"polar"造句
  • adj.
    1.(南、北)极的,地极的;近地极的。
    2.【物、化】(有)极的;磁极的;有磁性的。
    3.【几】极线的。
    +更多解释...
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例句与用法

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  1. Keesh lived at the edge of the polar sea .
    季奚住在北极海的边缘上。
  2. Over the polar regions we should see aurora .
    在极地高空,我们会看到极光。
  3. 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。
  4. We carry out a transformation to spherical polar coordinates .
    我们变换成球极坐标。
  5. Middle-latitude cyclones originate at the polar front .
    中纬度地区的气旋发源于极锋。

英文释义

a
  1. of or existing at or near a geographical pole or within the Arctic or Antarctic Circles; "polar regions"
  2. 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"
形容词
  1. having a pair of equal and opposite charges
  2. 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"
    同义词:pivotal
  3. extremely cold; "an arctic climate"; "a frigid day"; "gelid waters of the North Atlantic"; "glacial winds"; "icy hands"; "polar weather"
    同义词:arctic, frigid, gelid, glacial, icy
  4. 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"
    同义词:diametric, diametrical, opposite

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