spiral ratchet screwdriverˈspaiərəlˈrætʃitˈskru:ˌdraɪvə 基本英英近义反义 螺旋槽棘轮旋凿 Noun: a screwdriver with a ratchet so the blade turns in only one direction and a spiral in the handle so the blade rotates with downward pressure on the handle近义词ratchet screwdriver棘轮旋凿