Alternating current arc welder
[机] 交流电弧熔接机
🧩 词语组成解析
a. 交互的\\n[医] 交替的
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;
n. 焊接工\\n[化] 焊机
🗣️ 情景例句
I cannot forgive myself for not seeing my mother when she was sick in bed.
母亲病的时候我没能去看她，为这件事我永远不能原谅我自己。
Who serves everybody gets thanks from nobody.
人人都侍候，个个不见好。
It was a great help to me.
真是获益良多