恩,所以是accent reduction不是accent extinction,呵呵。

所有跟帖: 

you are right, there is always room for improvement(reduction) -tingfeng- 给 tingfeng 发送悄悄话 (0 bytes) () 02/07/2012 postreply 10:10:12

请您先登陆,再发跟帖!