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
Thanks a lot.
多谢。
Would you speak a little louder?
请你说大声一点好吗？
'I don't think the windows need cleaning at this time of the night.
“我看不必在夜里这个时候擦窗子吧。