n. 回纹装饰, 浮凸雕工

[ noun ]
framework consisting of an ornamental design made of strips of wood or metal
<noun.artifact>

Fretwork \Fret"work\, n. [6th fret + work.]
Work adorned with frets; ornamental openwork or work in
relief, esp. when elaborate and minute in its parts. Hence,
any minute play of light and shade, dark and light, or the
like.

Banqueting on the turf in the fretwork of shade and
sunshine. --Macaulay.