sol·der /ˈsɑdɚ/
 銲接劑,接合物,羈絆(vt.)(vi.)施以銲接,焊合,補修
 Sol·der n.  A metal or metallic alloy used when melted for uniting adjacent metallic edges or surfaces; a metallic cement. Hence, anything which unites or cements.
 Hard solder, a solder which fuses only at a red heat, as one composed of zinc and copper, or silver and copper, etc.
 Soft solder, a solder fusible at comparatively low temperatures; as, plumbers' solder, consisting of two parts lead and one part tin, is a soft solder.
 Sol·der, v. t. [imp. & p. p. Soldered p. pr. & vb. n. Soldering.]
 1. To unite (metallic surfaces or edges) by the intervention of a more fusible metal or metallic alloy applied when melted; to join by means of metallic cement.
 2. To mend; to patch up. “To solder up a broken cause.”
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 solder
      n : an alloy (usually of lead and tin) used when melted to join
          two metal surfaces
      v : join or fuse with solder; "solder these two pipes together"