burin
burin[ˈbjʊərɪn]noun- a hand-held steel tool used for engraving in metal or wood; a graver
雕线刀,雕刻刀
■(Archaeology)a flint tool with a chisel point
(考古)凿刀状火石器
语源- mid 17th cent.: from French; perhaps related to Old High German bora 'boring tool'
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