n. joins pieces of metal by welding them together
n. 焊接工
[化] 焊机
1. The welder finished the metal gate in just a few hours.
焊工在短短几个小时内完成了金属大门。
2. My brother works as a welder at a construction site.
我哥哥在一个建筑工地当焊工。
3. A skilled welder is essential for building strong structures.
熟练的焊工对于建造坚固的结构至关重要。