Joan of Arc was burnt (alive) at the stake.
The stick of carbon is often used in an electric arc lamp.
Joan of Arc was made a saint in 1920.
Joan of Arc was one of France's greatest daughters.
The sun appears to move in an arc across the sky.
1. 弧, 弧形
An arc is a part of the circumference of a circle or other curved lines.
2. 电弧, 弧光
an arc lamp
3. 弧形物, 弓形物