上个月华盛顿大学的外科医生用钻孔器在这个病人的头骨上钻了一个洞，直径大约和铅笔一样。
Last month the Washington University surgeons drilled a small burr hole, about the diameter of a pencil, into the patient's skull.
南瓜雕刻基本工具：用来去掉南瓜顶的小刀，剪刀，粗签字笔，刮刀，两块锯片，锥子，钻孔器。
Basic pumpkin carving kit: knife for removing the lid, scissors, felt-tip pen, scraper, two saws, drill, pointer.
墨农是一位能干的技师又深受敬重的领队，带领著部下使用雷射钻孔器与电钻，加上双手以及电动铲子挖掘。
Monnon, a capable engineer and respected leader, led his crew through the cold hardship of carving the ice with laser-borers, mechanical drills and more than a few mitted hands and vibrospades.
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