Circular arc
[机] 圆弧
🧩 词语组成解析
arc
[ɑ:k]
n. 综合症状;弧（度）;天穹;电弧，弧光。;
vi. 形成拱状物;循弧线行进;
abbr. American Red Cross. 美国红十字会;
🗣️ 情景例句
Always remember to wash your hands before eating.
用餐前谨记要洗手。
To be of use in the world is the only way to be happy.
为善最乐。
Yes, he'll be all right soon. I'm sure of that!
是的，他很快就没事了。我肯定！