n. a continuous portion of a circle
n. 弧, 弧形, 弓形, 弧光
[化] 弧
1. The rainbow formed a beautiful arc in the sky.
彩虹在天空中形成了一个美丽的弧形。
2. She drew an arc on the paper to show the path of the ball.
她在纸上画了一个弧形，以展示球的轨迹。
3. The artist created an arc with his brush to add movement to the painting.
这位艺术家用画笔画了一个弧形，为画作增添了动感。