Carbon dioxide arc welding
[化] 二氧化碳气体保护焊
🧩 词语组成解析
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
In China, Spring Festival is the biggest holiday of the year, but in the west Christmas is the biggest.
中国最大的节日是春节，西方最大的节日是圣诞节。
He has lived here for a year.
他在这里住了一年了。[表示持续到现在的行为]
Marine Studio biologists have pointed out that, however intelligent they may be, it is probably a mistake to credit dolphins with any motive of lifesaving.
海洋摄影室的生物学家指出，无论海豚多么聪明，认为它们有救人的动机可能是错误的。