1. a device whereby a sound signal (as a voice) is transmitted by causing it to modulate a beam of visible or infrared light which is received by a photoelectric cell, amplified, and reconverted into sound
photophone 片语
片语
radiophone[通信] 打无线电话
photophone 例句
英汉例句
In a daze, Wang turned the little green knob on the photophone to confirm.
一阵恍惚,王转了一下光线电话上的小绿旋钮表示确认。
Yet even on the photophone he still found his mouth went dry when he spoke.