论文部分内容阅读
不用话筒的电话在美国,一种无话筒的电话出现在市场上。它使用简单,一声“喂”就可以接通。人们可以在房间之内的任何一个地方与对方通话,不必将手头上做的事情停下。
Telephone without microphone In the United States, a microphoneless phone appears on the market. It is easy to use, “Hey” can be connected. People can talk to each other anywhere in the room without having to stop what they're doing.