Vacuum arc furnace
[化] 真空电弧炉
🧩 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 went to the supermarket to get a few things,
我去一趟超级市场， 买了几样东西，
You won't believe it,but it was really cheap.
你不会相信的，但这条裤子确实很便宜。
Excuse me. Is there a post office near here?
请问，附近有邮局吗？