Length of arc
[化] 弧长
🧩 词语组成解析
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
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
My mother has a touch of the flu.
我妈得流感了。
The battle is to the strong.
强者必胜。
After I had had lunch at a village pub, I looked for my bag.
我在一家乡村小酒店吃过午饭后，就找我的提包。