Shielded arc welding
[化] 保护电弧焊
🧩 词语组成解析
a. 隔离的；屏蔽了的；防护的；铠装的
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;
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
I feel as if we've met each other before.
我觉得我们以前见过面。
The cow that's first up gets the first of the dew.
早起母牛先得露。
It was spring,but the weather was awful.It rained all the time.
是春天，但天气太糟了。一直在下雨。