Arc description
[计] 线段描述, 弧描述
🧩 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
He made up his mind to give up smoking.
他下决心戒烟。
I know you are all busy.
我知道大家都很忙
She might have had an accident.
可能出事了。