| 释义 |
arc AHD[ärk] D.J.[ɑːk]K.K.[ɑrk]n.（名词）- Something shaped like a curve or an arch:拱形物：形状类似曲线或拱的物体：the vivid arc of a rainbow.彩虹清晰的拱
- Mathematics A segment of a circle.【数学】 弧：圆周的一段
- Electricity A luminous discharge of current that is formed when a strong current jumps a gap in a circuit or between two electrodes.【电学】 电弧，弧光：当强电流在回路裂缝或两电极间跃升时形成的辉光放电
- Astronomy The apparent path of a celestial body as it rises above and falls below the horizon.【天文学】 周日弧，夜间弧：天体升起或落下地平线时的明显路径
v.intr.（不及物动词）arced 或 arcked [ärkt] arc.ing 或 arck.ing [ärʹkĭng] arcs - To form an arc.形成拱状物
- To move or seem to move in a curved path:循弧线行进：在弯曲的路往上运动或好象在运动：the stars that arc across the sky.在天空中弧形运动的星
- Middle English ark 中古英语 ark
- from Old French arc 源自 古法语 arc
- from Latin arcus 源自 拉丁语 arcus
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