Arc statndard
[电] 弧标准
🧩 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
Freezing, isn't it?
好冷啊！
He is explaining the details of his idea.
他在详细说明这个构想。
He was in car number fifteen.Five other cars were just behind him.
他在第15号车里，其他5辆汽车跟在他后面。