The young man who sent them was Alexander Graham Bell.

寄件者是一个叫亚历山大·格雷厄姆·贝尔的年轻人。

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It's widely believed that telephone was invented by Alexander Graham Bell.

人们普遍认为电话是由亚历山大·格雷厄姆·贝尔发明的。

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Most of us think the telephone was invented by Alexander Graham Bell.

我们大多数人认为电话是亚历山大·格雷厄姆·贝尔发明的。

youdao

Alexander Graham Bell believed one day machines would be invented to help deaf people hear and speak.

VOA: special.2010.05.14

The Philadelphia exhibition also included Alexander Graham Bell's telephone, Heinz ketchup and the Remington typewriter.

VOA: special.2011.08.01

That moment is famous. Alexander Graham Bell was in one room.

VOA: special.2010.05.14

John Tyndall, an English experimenter, demonstrated one before Alexander Graham Bell invented the telephone.

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In 1874, Alexander Graham Bell spent the summer with his parents in Brantford, Ontario.

NEWYORKER: In the Air

The voice of Alexander Graham Bell has been identified for the first time, in a recording from 1885.

BBC: Phone pioneer speaks for first time in 128 years