trepan
英 [trɪ'pæn]
美[trɪ'pæn]
- n. 环锯；钻孔机
- vt. 欺骗；诱入圈套；用环锯行手术
英英释义
- 1. a surgical instrument used to remove sections of bone from the skull
- 2. a drill for cutting circular holes around a center
实用场景例句
- To bore ( a shaft ) with a trepan.
- 钻用钻井机钻 ( 矿井 )
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双语例句
- 1. To bore ( a shaft ) with a trepan.
- 钻用钻井机钻 ( 矿井 )
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英文词源
- trepan (v.)
- c. 1400, from Old French trépaner (14c.), from trepan (n.), the name of the tool with which it was done, from Medieval Latin trepanum "a saw for cutting out small pieces of bone from the skull," from Greek trypanon "a borer, an auger, a carpenter's tool; a surgeon's trepan," from trypan "to bore," related to trype "hole" (cognate with Old Church Slavonic truplu "hollow"), from PIE *trup-, from root *tere- (1) "to rub, turn" (see throw (v.)). Related: Trepanned; trepanning.
词态变化
第三人称单数: trepans;过去式: trepanned;过去分词: trepanned;现在分词: trepanning;