trephine
柯林斯词典
1. N a surgical sawlike instrument for removing circular sections of bone, esp from the skull 带柄环锯
2. V to remove a circular section of bone from (esp the skull) 用环锯在(头骨)上钻孔
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1. N a surgical sawlike instrument for removing circular sections of bone, esp from the skull 带柄环锯
2. V to remove a circular section of bone from (esp the skull) 用环锯在(头骨)上钻孔