名词
中文翻译：光学电话机同义词
同义词：
['Optical Telegraph', 'Optical Transmitter']
例句：
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1. The optical telephone was a revolutionary invention that revolutionized communication.
光学电话机是一项革命性的发明，彻底改变了通信方式。
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2. In the early days of telecommunications, optical telephones were used to transmit voice and data over long distances.
在电信的早期阶段，光学电话被用来通过长距离传输语音和数据。
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3. Today, optical telephones are still used in remote areas where traditional phone lines are not available.
如今，光学电话仍然被用于传统电话线路无法到达的偏远地区。