Arc percussive welding
[電] 弧震熔接
?? 詞語組成解析
arc
[ɑ:k]
n. 綜合癥狀;弧（度）;天穹;電弧，弧光。;
vi. 形成拱狀物;循弧線行進;
abbr. American Red Cross. 美國紅十字會;
percussive
[[p?'k?siv]]
a. 敲擊的, 有強大沖擊力的, 令人震驚的, 叩診的
a. 焊的\\n[機] 熔接, 焊接, 鍛接
??? 情景例句
I'm ready. See you later, Marilyn.
我準備好了。Marilyn 再見。
Who is the chief of sate of this nation?
誰是這國家的領袖？
No, Jeanne, I wasn't ill. I know I look older than my age now. That's because of hard work-ten years of hard work.
沒病，讓娜，我沒生過病。我知道我看上去比我的年紀要大些，那是因為勞累的緣故--10年的勞累呀！