Arc extinction
[电] 消弧
🧩 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
I thought he was retired
我原以为他退休了
One father is more than a hundred school-masters.
一个父亲胜于一百个教师。
Yes, that's right.
对的。