Cawed
v. Carbon-Arc Welding 碳弧焊( caw的過去式和過去分詞 )
??? 情景例句
At any rate, we must go there.
不管怎么樣，我們非去那里一趟不可。
We need skilled electricians.
我們需要有技術的電工。
When the instrument is situated at more than 700 miles from the earthquake centre,
如果把這種儀器安裝在距震源700多英里遠的地方，