tun·er
noun/ˈtjuːnə(r)/
/ˈtuːnər/
- (especially in compounds) a person who tunes musical instruments, especially pianos
（乐器的）调音者，调弦者；（尤指）钢琴调音师 - the part of a radio, television, etc. that you move in order to change the signal and receive the radio or television station that you want
（收音机、电视机等的）调谐钮，调谐键 - an electronic device that receives a radio signal and sends it to an amplifier so that it can be heard
（接收无线电信号传输到放大器的）调谐器