中英互译
photophone
英 /ˈfəʊtəʊˌfəʊn/美 /ˈfoʊtoʊfoʊn/
基本释义
- n.光音机；光线电话机
网络短语
- colour photophone彩色电视电话
- colour r photophone彩色电视；彩色电视电话
- photophone detail光通话
同义词
n.
光音机；光线电话机
英英释义
- The photophone (later given the alternate name radiophone) is a telecommunications device which allowed for the transmission of speech on a beam of light. It was invented jointly by Alexander Graham Bell and his assistant Charles Sumner Tainter on February 19, 1880, at Bell's laboratory at 1325 L Street in Washington, D.