1. 脚蹬：滚珠轴承 ball bearing | 脚蹬 treadle | 弯道冲刺 bank dash

2. 踏板：treadboard 踏板 | treadle 踏板 | treadmill 踏车

3. 踏板踩踏板开动：treadle 踏板vi.踩踏板开动 | treadle 踏板踩踏板开动 | treasure room 贵重品贮藏室

1. (手纺车、缝纫机的)踏板
    The treadle on a spinning wheel or sewing machine is a lever that you operate with your foot in order to turn a wheel in the machine.

treadle在线翻译

1. a lever that is operated with the foot

    Synonym: pedalfoot pedalfoot lever

1. operate (machinery) by a treadle

2. tread over

    e.g. the brick maker treadles over clay to pick out the stones