释义
n.
a person who tunes musical instruments, especially pianos
（尤指钢琴）调音师。
an electronic device for tuning a guitar or other instrument
（吉他等的）电子调节器。
an electronic device for varying the frequency to which a radio or television is tuned
（收音机、电视的）调谐器。
a separate unit for detecting and preamplifying a programme signal and supplying it to an audio amplifier
（扩音器的）调谐部件。
a person who tunes car engines or other machines
（汽车引擎或其他机器的）调试者。