add-on
  附加
  add-on
       n 1: a component that is added to something to improve it; "the
            addition of a bathroom was a major improvement"; "the
            addition of cinammon improved the flavor" [syn: addition,
             improver]
       2: a supplementary component that improves capability [syn: accessory,
           appurtenance, supplement]
  Addon
     low, one of the persons named in Neh. 7:61 who could not "shew
     their father's house" on the return from captivity. This, with
     similar instances (ver. 63), indicates the importance the Jews
     attached to their genealogies.
  Addon, basis; foundation; the Lord