音标与读法

这里为大家介绍下photophone 是什么意思，希望能帮助到各位朋友。

中英文翻译

n.

【电讯】光线电话机；光音机。

The photophone (originally given an 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.

例句与用法

1.He called it the photophone

他把这项发明称为光影电话。

2.Bell considered the photophone one of his most important inventions

贝尔认为光影电话是他最重要的发明之一。

3.It took a long time before the idea behind bell " s photophone became practical

贝尔花了很多时间，才把光影电话的概念付诸实践。

4.Alexander graham bell develops the photophone which uses sunlight to carry messages . it was never commercially produced

亚历山大.格雷厄姆.贝尔利用太阳光开发光电话用于传输信息。这种光电话从未用于商业生产。

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