基本解释脚踏开关英汉例句双语例句A foot-pedal or keyboard switch then replaces the click of a mouse button.脚踏板和键盘开关替代了鼠标按键。foot pedal switch更多例句词组短语短语foot switch pedal switch 脚踏开关pedal foot switch 脚踏开关foot pedal switch更多词组