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单词 trepan
释义 trepan
n. & v.
--n
  1. a cylindrical saw formerly used by surgeons for removing part of the bone of the skull.
  2. a borer for sinking shafts.
--vtr. (trepanned, trepanning) perforate (the skull) with a trepan.
Derivatives
trepanation n. trepanning n.
Etymology: ME f. med.L trepanum f. Gk trupanon f. trupao bore f. trupe hole
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