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polar circle

/ˈpəʊlər ˈsɜːrkl/

翻译: 地理术语,指北半球的北极圈或南半球的南极圈,标志着在至日时太阳可以连续24小时在地平线上或下的边界。

1 个条目

phrase

/ˈpəʊlər ˈsɜːrkl/B2formalscientific
  • zh地理术语,指北半球的北极圈或南半球的南极圈,标志着在至日时太阳可以连续24小时在地平线上或下的边界。

A geographic term referring to either the Arctic Circle in the Northern Hemisphere or the Antarctic Circle in the Southern Hemisphere, marking the boundaries where the sun can remain above or below the horizon for 24 hours during solstices.

  1. Geographic regionB2formal

    Either of the two imaginary circles around the Earth (the Arctic Circle and the Antarctic Circle) marking the boundaries of the polar regions.

    zh地理区域

    • The Arctic polar circle experiences midnight sun in summer.
    • Few people live permanently within the polar circle.
    • The polar circle is defined by the tilt of the Earth's axis.