kuò​yīn​jī

amplifier

扩音机 擴音機 kuò​yīn​jī
amplifier
an electronic device that increases the power of an audio signal, often used in wired broadcasting
loudspeaker
a device that converts an electrical signal into sound
hearing aid
a small device worn in or behind the ear to make sounds louder for a person with hearing loss

Frequency

Movie subtitles
0.150 per million appears in 0% of films
Written text
0.085 per million

Cross-References

Classifier

Sources