Can you imagine living without a telephone or a cell phone? 你能想像没有电话或手机的生活吗？

　　Until 1876, people didn't have phones. 直到1876年，人类才有了电话。

　　Many scientists tried to invent the telephone, and Alexander Graham Bell finally succeeded in 1876. 许多科学家试图发明电话，亚历山大-格拉汉姆-贝尔最终在1876年成功了。

　　How did he first know that he made a successful telephone? 他一开始是怎么知道他造出了一部成功的电话？

　　One day, Bell spoke into one part of his machine. 有一天，贝尔对着他的电话机的一端说话。

　　Mr. Watson, come here, I want to see you! 华生先生，快到这里来，我要见你！

　　Mr. Watson was his partner. 华生先生是他的伙伴。

　　He was in a different room of the same house. 他在同一栋房子的不同房间里。

　　And Mr. Watson heard Bell's voice out of the other part of the machine. 华生先生在电话机的另一端听到了贝尔的声音。

　　It was the first telephone communication in history! 这可是人类历史上的首次电话交流！