鲍勃·道蒂：你正在收听慢速英语，美国故事。

BOB DOUGHTY: You have been listening to the Special English program, American Stories.

youdao

鲍勃·道蒂：你正在收听慢速英语，美国故事。

BOB DOUGHTY: You have been listening to the Special English program, American Stories.

youdao