trepan

[trɪ'pæn]
[trɪ'pæn]
GRE

中文释义

环锯 钻孔机 陷阱英释中释

英语释义

环锯, 钻孔机, 陷阱英释中释nan instrument resembling a carpenter's brace and bit formerly used to remove circular sections of bone (esp from the skull)

trepan