trepan

1.诱捕;诱人圈套,设计诱陷,引诱 (into; from)

2.【医】用环锯[钻](在颅骨上)穿孔;开孔,(在毛刷把上)打眼;(从金属板等上)切出圆盘形物;钻出(岩心)

1.【医】环钻,环锯;凿井器;【矿】钻(矿)机

1.to remove a circular section from a bone, especially the skull, with a trepan

2.to trap or ensnare somebody or something

3.to cut a disk or cylindrical core from something using a trepan

4.to bore a hole in rock using a trepan

1.an early cylindrical surgical instrument , used especially to cut a hole in the skull

2.somebody or something that entraps or ensnares others

3.a machine tool used to remove a circular disk from a metal sheet or a shallow cylindrical core from a metal ingot or block.

4.a tool for boring holes in rock