名词
中文翻译：电报板
同义词：
['telegraph', 'telegram board']
例句：
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1.The telegraph board was the first communication device invented by Edison.
电报板是爱迪生发明的第一种通信设备。
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2.The telegraph board is used to send and receive messages over long distances.
电报板用于在长距离上发送和接收消息。
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3. The telegraph board is a crucial part of the telephone system.
电报板是电话系统的关键部分。