Arc length
[计] 弧长
🧩 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
Well, he's here with his daughter to have lunch.
嗯， 他和他女儿已到这里等吃午餐了。
How is the weather today?
今天天气怎么样？
It lasts from May to July.
从5月持续到7月。