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
I like this house.
我喜欢这栋房子。
Who is the lady?
那位女人是谁？
The men got such a fright that they dropped the bag and ran away.
这两个人吓了一跳，扔下提包逃跑了。