foot supporter的用法和樣例：
例句
- This scooter didn't have a foot pedal to accelerate like the military motorcycles back then.
這台速克達並不像當時的軍用摩托車是用腳踏板來加速。 - Back to the subject at hand, the CLEF system consists of a flexible LCD touch screen with a built-in stand and a wireless foot pedal.
這套記譜系統由一面可靈活調整的液晶觸屏顯示器構成的，該顯示器配備有一個固定支架和一個無線的腳踏板。
