| 释义 |
bit1 /bit; bit/ n 1 mouth-piece (metalbar) forming part of a horse's bridle. 马嚼子; 马衔。 the illus at harness. 参看 harness 之插底。 take the bit between one's teeth, (of a horse) run away out of control; (fig) apply oneself to sth difficult or risky or distasteful. (指马)脱缠逃跑; (喻)集中精力去做觐难、冒险或讨厌之事。 2 part of a tool that cuts or grips when twisted; tool for boring or drilling holes, fitted into a drill or a brace. 工具之切割或抓的部份; (钻子的)钻头; 锥。 O the illus at drill, brace. 参看 drill, brace 之插图。 |