名词
中文翻译：弧线
同义词：
['circle', 'curve', 'arc', 'radius']
例句：
-
1. The arc of the circle is equal to its diameter.
这个圆的弧长等于它的直径。
-
2. The car drove along the arc of the road.
汽车沿着路的弧线行驶。
-
3. The arc of the planets is determined by their distance from the sun.
行星的轨道弧由它们离太阳的距离决定。