trepan
柯林斯词典
1. N an instrument resembling a carpenter's brace and bit formerly used to remove circular sections of bone (esp from the skull) 环锯[surgery] →compare trephine
2. V to cut (a hole or groove) with a trepan 用环锯造(孔或槽)
V
1. V to entice, ensnare, or entrap 使…入陷阱
2. N a person or thing that traps 设圈套的人(或物)
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