30篇文章贯通六级词汇
When imaginative scientists first suggested the possibility that one person could speak directly to another over a long distance, few people took them seriously. Among the few who did was a Scots-born(苏格兰出生的) American named Alexander Graham Bell(亚历山大?格拉海姆?贝尔，美国发明家), who was one of the first to develop a telephone in 1876.【资料下载】30篇文章贯通六级词汇
