a musical instrument that lies flat on a frame, with strings that are played with the fingers and made tighter or looser using pedals (= controls pushed with the feet)

She plays the guitar, keyboards, percussion, violins, and even a pedal steel on the record. 她在唱片中演奏了吉他、键盘、打击乐、小提琴，甚至踏板钢吉他。

They played heartbroken country music with dreamy pedal steel guitar. 他们用梦幻般的踏板钢吉他演奏了令人心碎的乡村音乐。