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  1. frontier

    • IPA[ˌfrənˈtir]

    美式

    • n.
      a line or border separating two countries;the extreme limit of settled land beyond which lies wilderness, especially referring to the western US before Pacific settlement
    • noun: frontier, plural noun: frontiers

    • 釋義
    • 相關詞

    名詞

    • 1. a line or border separating two countries international crime knows no frontiers France's frontier with Belgium
    • the extreme limit of settled land beyond which lies wilderness, especially referring to the western US before Pacific settlement his novel of the American frontier
    • the extreme limit of understanding or achievement in a particular area the success of science in extending the frontiers of knowledge
    • n.
      a part of a country, region, etc. that is the last to be settled, explored, or developed: the deep ocean is the last frontier of exploration on this planet

    Oxford American Dictionary

    • n.
      a part of a country, region, etc. that is the last to be settled, explored, or developed: the deep ocean is the last frontier of exploration on this planet

    Oxford Dictionary

    • n.
      a part of a country, region, etc. that is the last to be settled, explored, or developed: the final frontier was Antarctica

    Oxford Dictionary

    • n.
      a part of a country, region, etc. that is the last to be settled, explored, or developed: the final frontier was Antarctica

    Oxford American Dictionary

    • n.
      an official place for crossing the border between two countries or areas: the national police and the paramilitary civil guard carry out security checks at frontier posts

    Oxford Dictionary

    • ph.
      a province of northwestern Pakistan, on the border with Afghanistan; capital, Peshawar.

    Oxford American Dictionary

    • ph.
      a province of north-western Pakistan, on the border with Afghanistan; capital, Peshawar.

    Oxford Dictionary

    • 更多解釋
    • IPA[ˈfrʌntɪə]

    英式

    • n.
      a line or border separating two countries: international crime knows no frontiers France's frontier with Belgium

    Oxford Dictionary