underwater telephone

例句：

1. 1. The underwatertelephone was a revolutionary invention that allowed usto communicate with each other in the depths of the ocean.
   水下电话是一项革命性的发明，它使我们能够在海洋深处彼此通信。
2. 2. In ancient times, people used touse underwater telephones to send messagesacross great distances.
   在古代，人们曾经使用水下电话来跨越长距离发送信息。
3. 3. The underwater telephone is a marvelof modern technology that has made communication easierand more accessible for people all over theworld.
   水下电话是现代科技的奇迹，它使全球各地的人们更容易、更便捷地进行通信。