Helium arc welding
[化] 氦弧焊
🧩 词语组成解析
helium
['hi:ljəm, -liəm]
n. <化>氦;
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
We've known each other since we were children.
我们从小就认识。
He jests at scars, that never felt a wound.
富人不知穷人苦。
Thirteen.
13岁。