dovetailing
  燕尾連接
  Dove·tail, v. t. [imp. & p. p. Dovetailed p. pr. & vb. n. Dovetailing.]
  1. Carp. (a) To cut to a dovetail. (b) To join by means of dovetails.
  2. To fit in or connect strongly, skillfully, or nicely; to fit ingeniously or complexly.
     He put together a piece of joinery so crossly indented and whimsically dovetailed . . . that it was indeed a very curious show.   --Burke.
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