Radiophone
[reidiәfәun]
解釋/意思:
(n.) An apparatus for the production of sound by the action of luminous or thermal rays. It is essentially the same as the photophone.
編輯:斯坦利
[reidiәfәun]
(n.) An apparatus for the production of sound by the action of luminous or thermal rays. It is essentially the same as the photophone.
編輯:斯坦利