Welding arc
[化] 焊弧
🧩 词语组成解析
a. 焊的\\n[机] 熔接, 焊接, 锻接
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
Good night.
晚安。
He knows best what good is that has endured evil.
忍过痛受过苦，最知幸福是何物。
Sending a fax is more expensive than posting a letter, but much quicker.
发传真比寄信要贵些，但是要快得多。