贝尔一生都在发明创造，他是位永不停息的探索家，他不断寻求着改善人们生活质量的途径。
Bell, who was a continuing explorer, was inventing all his life in order to find better ways to improve people's life quality.
贝尔一生都在发明创造，他是位永不停息的探索家，他不断寻求着改善人们生活质量的途径。
Bell, who was a continuing explorer, was inventing all his life in order to find better ways to improve people's life quality.
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