solder

1. V-T If you solder two pieces of metal together, you join them by melting a small piece of soft metal and putting it between them so that it holds them together after it has cooled. 焊接

Fewer workers are needed to solder circuit boards. 焊接电路板需要较少的工人。

2. N-UNCOUNT Solder is the soft metal used for soldering. 焊锡