solder
/ˈsɔldə(r); ?@ ˈsɔdər; `sɑdɚ/ n[U]
soft mixture of metals used, when melted, for joining harder metals, wires, etc together 焊料; 焊锡. solder, v [Tn, Tn.pr, Tn.p] ~ sth (on/onto/to sth); ~ sth (up/on) join or mend sth with solder 用焊料连接或修补某物; 焊接某物
He soldered the wire back on. 他把金属丝重新焊了上去.