noun
裤管夹（骑自行车时用） one of the two bands that people wear around their ankles when they are riding a bicycle to stop their trousers/pants getting caught in the chain
数据来源：WordNet
Ever wonder what led trips in the regulation of transmission gearbox found it uses a bicycle wheels clip design .
不组合动员旅程调度的传动齿轮箱，发掘本质拔取的是自行车飞轮的卡簧安排。
bicycle clip