Carbon arc welding
[化] 碳弧焊
?? 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;
a. 焊的\\n[機] 熔接, 焊接, 鍛接
??? 情景例句
It's nice to see you again.
很高興再見到你們。
As you sow you shall mow.
種瓜得瓜，種豆得豆。
After switching on powerful arc lights, they saw great stalagmites -- some of them over forty feet high -- rising up like tree-trunks to meet the stalactites suspended from the roof.
他們打開強力弧光燈，看見一株株巨大的石筍，有的高達40英尺，像樹干似地向上長著，與洞頂懸掛下來的鐘乳石相接。