sprocket
n
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.
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.
🗣️ 情景例句
What a bargain! Thanks for helping me with this shopping.
真是太划算了!谢谢你带我买这些东西。
The capital of my country id Beijing.
我国首都是北京。
The temperature will stay above zero in the day-time, but at night it will fall below zero again.