| 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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