welding
v. 焊接；（使）紧密结合，成整体；焊接（物件）；（通过熔化或软化）连接（weld 的现在分词）
n. 焊接，锻接
例句
When Tom was a child, his father worked in a welding shop for more than 12 hours a day.
当汤姆还是个孩子的时候，他的父亲在一家焊接车间每天工作12个小时以上。
Designing with mark-up is like welding I-beams without a blueprint.
设计过程要额外付费就好比焊接钢材不需要蓝图。
The fumes produced by welding metal often contain small amounts of manganese.
在焊接金属时所产生的烟雾中，常常包含了少量的锰。
