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  1. Oxford American Dictionary

    horizon

    • IPA[həˈrīzən]

    美式

    • n.
      the line at which the earth's surface and the sky appear to meet；the circular boundary of the part of the earth's surface visible from a particular point, ignoring irregularities and obstructions.

    • noun: horizon, plural noun: horizons

    • 釋義
    • 相關詞
    • 片語

    名詞

    • 1. the line at which the earth's surface and the sky appear to meet the sun rose above the horizon 同義詞 skyline, range of vision, field of view, vista, view
    • ▪ the circular boundary of the part of the earth's surface visible from a particular point, ignoring irregularities and obstructions.
    • ▪ a great circle of the celestial sphere, the plane of which passes through the center of the earth and is parallel to that of the apparent horizon of a place.
    • 2. the limit of a person's mental perception, experience, or interest she wanted to leave home and broaden her horizons 同義詞 range of experience, outlook, perspective, scope, perception, ... 更多
    • 3. a layer of soil or rock, or a set of strata, with particular characteristics.
    • ▪ a level of an excavated site representing a particular period the upper horizon of the site showed an arrangement of two rows of features

    event horizon

    • n.
      a theoretical boundary around a black hole beyond which no light or other radiation can escape.

    Oxford American Dictionary

    event horizon

    • n.
      a notional boundary around a black hole beyond which no light or other radiation can escape.

    Oxford Dictionary

    artificial horizon

    • n.
      a gyroscopic instrument or a fluid surface, typically one of mercury, used to provide a ...

    Oxford American Dictionary

    planning horizon

    • n.
      the length of time into the future that is accounted for in a particular plan: large investments are unlikely to be viewed as feasible when the planning horizon is limited

    Oxford Dictionary

    celestial horizon

    • n.
      see horizon

    Oxford Dictionary

    artificial horizon

    • n.
      a gyroscopic instrument or a fluid surface, typically one of mercury, used to provide the pilot ...

    Oxford Dictionary

    planning horizon

    • n.
      the length of time into the future that is accounted for in a particular plan: large investments are unlikely to be viewed as feasible when the planning horizon is limited

    Oxford American Dictionary

    celestial horizon

    • n.
      see horizon

    Oxford American Dictionary

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    片語

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    horizon

    • IPA[həˈrʌɪz(ə)n]

    英式

    • n.
      the line at which the earth's surface and the sky appear to meet: the sun rose above the horizon

    Oxford Dictionary