Unstable arc
[化] 不稳定电弧
🧩 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 love my school. I have so many good friends there now.
我喜欢我的学校。我现在有那么多好朋友在那里。
When is the most convenient time for you?
你在什么时间最方便呢？
that the talent goes into the first draft, and the art into the drafts that follow.
他说，初稿是才华，以后各稿是艺术。