compressor
/kəmˈpresə(r)/noun
1- an instrument or device for compressing something压缩工具（或装置）。
1.1
- a machine used to supply air or other gas at increased pressure, e.g. to power a gas turbine压缩机, 压气机。
1.2
- an electrical amplifier which reduces the dynamic range of a signal（减少信号范围的）压缩器。
1.3
- a computer program which compresses data压缩程序。