谢谢回复! 我觉得high volume 加大力发音; 但是怎样发HIGH PITCH? 又窍门吗?

来源: acclaim2008 于 2012-10-03 19:13:48 [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Change Ad Consent