scalpel

n. 外科手术刀，解剖刀

scabbard, scabby, scabies, scabious, scabrous, scad, scads, scaffold, scaffolding, scalar, scalawag, scald, scalding, scale, scalene, scales, scallion, scallop (also scollop), scallywag, scalp, scaly, scam, scamp, scamper, scampi, scan, scandal, scandalize, scandalise, scandalmonger, scandalmongering, scandalous, scandalously, Scandinavian, scanner, scansion, scant, scantily, scantiness, scanty, scapegoat,