Arc welder
[化] 电焊机
🧩 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;
n. 焊接工\\n[化] 焊机
🗣️ 情景例句
But it is not polite to ask older people their age.
但问老人的年龄是不礼貌的。
Five cats and a man were involved in an accident.
五只猫和一个男人被卷入那场意外里面。
Could you come here, please? I want some help.
你能来这儿一下吗？我需要帮忙。