Inverted arc
[电] 倒弧
🧩 词语组成解析
a. 倒转的, 反向的
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
It's good that you went back.
你回去是对的。
Who is it? Come down.
是谁？下来。
But I don't understand.
这我就不明白了。