arc
arc
arc / ɑrk ; ɑ:k /
◙noun [C]
1. a curved shape or line
• 弧（状）:
»the arc of a rainbow
彩虹的弧状
2. part of a curved line or a circle
• 弧线; 弧形:
»The sun moves across the sky in an arc.
太阳在天空中以弧线方式运行。
3. a flash of light formed by the flow of electricity between two points
• 弧光，电弧
♦arcverb [T]
