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
You can see many posters that are put up before the movie opens.
每部电影首映前你都会看到铺天盖地的海报。
I'll keep my ears open.
我会留意的。
In the light of this statement, teachers live by selling knowledge,
根据这种说法，教师靠卖知识为生，哲学家靠卖智慧为生，