pedal point
持续音部

a pedal brake
脚闸

una corda pedal
(钢琴的)弱音踏板

The brake (pedal) is between the clutch and the accelerator
制动器（踏板）在离合器和加速器之间.

The pedal of a cycle is attached to a crank
自行车的踏板与曲柄相连。

I saw him pedal to school every morning
我看到他每天早晨骑自行车上学。

A pedal bicycle that has an attached motor
机动自行车附有推动引擎的脚踏自行车

He pushed hard on the brake pedal to avoid a collision
他使劲踩下煞车踏板以避免撞车。

A device, especially the gas pedal of a motor vehicle, for increasing speed
加速装置加速器，如可以用来加速的汽车油门

soft-pedal
自然环境保护活动分子请求政府不要对工业污染问题采取低调态度。