英语选修八小课文及翻译第三单元Unit3 ALEXANDER GRAHAM BELL 亚历山大·格雷厄姆·贝尔 Alexander Graham Bell was born in 1847 in Scotland, but when he was young his family moved to Boston, USA.亚历山大·格雷厄姆·贝尔1847年
英语选修八小课文及翻译第三单元Unit3 ALEXANDER GRAHAM BELL 亚历山大·格雷厄姆·贝尔 Alexander Graham Bell was born in 1847 in Scotland, but when he was young his family moved to Boston, USA.亚历山大·格雷厄姆·贝尔1847年