Arc system
[电] 电弧装置
🧩 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
Do I know you?
我认识你吗？
We are having a party and would like you to come.
我们要开派对，能请您光临吗？
German is a more difficult language than English is.
德语比英语难学。