Metallic arc system
[机] 金属电弧熔接法
🧩 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'd like to treat you to dinner and a movie.
我想请你吃饭和看一场电影。
The wise man knows he knows nothing,the fool thinks the knows all.
聪明人自认一无所知，愚笨人自负无所不晓。
Several weeks after that, I will plant them in rows in the field.
再过几个星期，我还要把它们一行行地栽到菜地里。