Heliarc welding
[化] 氦弧焊
🧩 词语组成解析
氦弧
a. 焊的\\n[机] 熔接, 焊接, 锻接
🗣️ 情景例句
And what did you decide?
那你们有什么结论呢？
To play a trick
戏弄
I was only five when my father had taken me abroad, and that we eighteen years ago.
我5岁那年，父亲就带我出了国，那是18年前的事了。