Plasma arc welding (paw)
[化] 等离子弧焊
🧩 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;
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
I'd like to ask for your daughter's hand in marriage.
我希望你能把女儿许配给我。
What are you planning to do?
你打算做些什么？[两次疯狂张嘴，现金次舀水动作]
Then knowledge began to be accumulated according to a systematic plan.
于是，知识便开始有系统有计划地积累起来。