photophone

基本解釋

Bell considered the photophone one of his most important inventions.
貝爾認(rèn)為光影電話是他最重要的發(fā)明之一。
Bell's photophone was based on transmitting sound on a beam of light.
貝爾的光影電話是以光波來傳遞聲音。
It took a long time before the idea behind Bell's photophone became practical.
貝爾花了很多時間，才把光影電話的概念付諸實(shí)踐。
Alexander Graham Bell develops the photophone which uses sunlight to carry messages. It was never commercially produced.
亞歷山大.;格雷厄姆
He's probably right, since the technology behind the photophone led to the technology that helps computers send information around the world today.
他可能是對的，因?yàn)楹髞淼目萍家运陌l(fā)明為基礎(chǔ)，進(jìn)一步發(fā)展，讓我們現(xiàn)在能夠透過電腦來傳送資訊。