You must develop the muscles of your speech organs to produce unfamiliar sounds.
所以你必须训练和发展你的发音器官(声带、舌、口、鼻腔等)的肌肉,以便发出陌生的(另外一种语言)声音。
Last year a journalist had been instructed by a well-known magazine to write an article on the president's palace in a new African republic.
去年,一位记者受一家有名的杂志的委托写一篇关于非洲某个新成立共和国总统府的文章。