v 鉆(洞，孔)(make (a hole， etc) in sth， esp with a drill)[I，I+prep，T+n，T+n+prep]：～for oil 鉆石油;～into solid rock 在堅(jiān)硬的巖石上往下鉆(洞);～sb's teeth/a wall/a door/a road 在牙齒/墻/門/路上鉆(洞);～a well/a tunnel 鉆井/挖隧道;～a hole in sb's tooth/a wall/wood 在牙/墻/木頭上鉆一個(gè)洞;(soldier)～the door with bullets(戰(zhàn)士)開(kāi)槍在門上打了些洞;～the bad bits out of sb's teeth 把某人牙齒上壞的部分鉆掉;
n 鉆頭，鉆(孔機(jī))(tool or machine for making holes in solid materials)[C]：a dentist's/pneumatic/road/electric/hand/twist/power～牙鉆/風(fēng)鉆/路鉆/電鉆/手鉆/麻花鉆/機(jī)動(dòng)鉆;～bit 鉆頭