microphonograph

[医] 微音扩扬器(聋者学话用)

词形变化

microphonographs 复数 microphonographs

释义与例句

n.
  1. 1.

    A machine that combines the microphone and the phonograph, so as to record and replay sounds.

    历史

词源

Blend of microphone + phonograph.

来源：wiktionary