| [/ˈsprɔkɪt; ˋsprɑkɪt/] n 用法:
1 each of several teeth on a wheel that connect with the links of a chain or the holes in a film or in paper or magnetic tape 链轮齿. 用法:
2 (also `sprocket-wheel) such a wheel, eg on a bicycle 链轮. =>illus at App 1 见附录1插图, page xiii. |