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Hello is a salutation or greeting in the English language. It is first attested in writing from 1833.
Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer and innovator who is credited with patenting the first practical telephone😜
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telephone, Alexander Graham Bell, video recording | 100 Years Since Alexander Graham Bell Donate $100 today to celebrate 100 years since the ... ... <看更多>