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  1. polar

    • IPA[ˈpəʊlə]

    英式

    • adj.
      relating to the North or South Pole;(of an animal or plant) living in the north or south polar region
    • n.
      the straight line joining the two points at which tangents from a fixed point touch a conic section.;a variable binary star which emits strongly polarized light, one component being a strongly magnetic white dwarf.
    • noun: polar, plural noun: polars

    • 釋義
    • 相關詞

    形容詞

    名詞

    • 1. the straight line joining the two points at which tangents from a fixed point touch a conic section.
    • 2. a variable binary star which emits strongly polarized light, one component being a strongly magnetic white dwarf.
    • plural
      a pair of coordinates locating the position of a point in a plane, the first being the length ...

    Oxford Dictionary

    • plural
      a pair of coordinates locating the position of a point in a plane, the first being the length ...

    Oxford American Dictionary

    • n.
      a region of ice or other frozen matter surrounding a pole of a planet.

    Oxford American Dictionary

    • n.
      a region of ice or other frozen matter surrounding a pole of a planet.

    Oxford Dictionary

    • n.
      the axis of an equatorially mounted telescope which is at right angles to the declination axis ...

    Oxford American Dictionary

    • n.
      a large white arctic bear which lives mainly on the pack ice. It is a powerful swimmer and ...

    Oxford Dictionary

    • n.
      a satellite orbit that passes over polar regions, especially one whose plane contains the polar ... an amateur radio satellite in a polar orbit the agency maintains four satellites, two in polar orbit

    Oxford Dictionary

    • n.
      each of the small cells which bud off from an oocyte at the two meiotic divisions and do not ...

    Oxford Dictionary

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    • IPA[ˈpōlər]

    美式

    • adj.
      relating to the North or South Pole: the polar regions
    • n.
      the straight line joining the two points at which tangents from a fixed point touch a conic section.

    Oxford American Dictionary