arc
Definition
A segment of a curved line, especially the curved part of a rainbow or a bow.
中文 一段弯曲的线段，尤其是彩虹或弓的弯曲部分
Example
"The arc of the rainbow extended across the sky, shining brightly in the sunlight."
A segment of a curved line, especially the curved part of a rainbow or a bow.
中文 一段弯曲的线段，尤其是彩虹或弓的弯曲部分
"The arc of the rainbow extended across the sky, shining brightly in the sunlight."