screwdriver

n.螺丝刀，改锥

scratch, scratch pad, scratch paper, scratchily, scratchiness, scrawl, scrawny, scream, screaming, scree, screech, screech-owl, screed, screen, screen test, screening, screenplay, screw, screw-topped (also `screw-top), screwball, screwed-up, screwy, scribble, scribbler, scribbling-block, scribe, scrimmage, scrimp, scrip, script, script-writer, scriptural, scripture, scrofula, scrofulous, scroll, Scrooge, scrotum, scrounge, scrounger,