pedal steel       
noun [ C or U ] uk/ˈped.əl ˌstiːl/ us/ˈped.əl ˌstiːl/ (also pedal steel guitar); (also lap steel, lap steel guitar)
 踏板钢棒吉他,踏板钢弦吉他,踏板钢吉他
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。 
 - More examples
 - The band featured Paul Taylor on bass and Eric Lewis on pedal steel.
 - We could always add a pedal steel player, a horn section, or a bass player.
 - He sits down at his pedal steel guitar.
 - Her quintet included Grecco Buratto on guitar and Joshua Grange on pedal steel guitar.