VOA慢速英语2014.05.22
[audio]http://sound.yywz123.com/tingbbs/voa/voa20140522.mp3[/audio]Scientists are working on ways to stop a disease that threatens one-fifth of the world's population. 科学家们正在研究如何消除威胁世界1/5人口的一种疾病.
__________________________________________________
[url=http://www.tingroom.com/voa/]VOA慢速英语[/url]...
**** Hidden Message ***** which is a major part of the bodies defences for fighting disease
页:
[1]