感谢xiaoqian, billnet, eyeyey指正， 再试。。。
and XiaoQian's Tongue Twisters
The thirty-three thieves thought that they thrilled the throne throughout Thursday.
Mr.Smith's teeth are thin lethal.
Six, sixth,sixth's, sixteen, sixteenth, sixteenth's
This is Steve Ember.
SHIRLEY GRIFFITH: And this is Shirley Griffith with the VOA Special English program EXPLORATIONS. Today we present the first of two programs about the history of the English Language.
STEVE EMBER: More people are trying to learn English than any other language in the world. English is the language of political negotiations and international business. It has become the international language of science and medicine. International treaties say passenger airplane pilots must speak English.
