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
He has realized how precious health is.
他已经体会到健康的可贵。
Well, I'm sorry you have to leave so early.
哦，很遗憾，你非得这么早走不可。
Few things could be more impressive than the peace that descends on deserted city streets at weekends when the thousands that travel to work every day are tucked away in their homes in the country.
周末，当成千上万进城上班的人回到他们的乡间寓所之后，空旷的街市笼罩着一种宁静气氛，没有什么能比此时的宁静更令人难忘了。