虽然亚历山大·格雷厄姆·贝尔最响亮的名号是电话的发明者，但他同时也是一个有远见卓识的航空工程师。
Although he is best known as telephone's inventor, Alexander Graham Bell was also a prominent aerospace visionary.
正如亚历山大·格雷厄姆·贝尔(电话发明者)所说，当一扇门打开，另一扇门也会打开。
As Alexander Graham Bell said, when one door closes, another door opens.
亚力山大。格雷厄姆·贝尔是电话的发明者。
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