1,(...内容隐藏,请先注册或登录...),yourvoiceshouldberesonantandsustainedwhenyouspeak.
3,(...内容隐藏,请先注册或登录...),trytoeneclarativesentencesonalowtonewithout,(...内容隐藏,请先注册或登录...),trailingoffinvolume.
1,(...内容隐藏,请先注册或登录...),yourvoiceshouldberesonantandsustainedwhenyouspeak.
3,(...内容隐藏,请先注册或登录...),trytoeneclarativesentencesonalowtonewithout,(...内容隐藏,请先注册或登录...),trailingoffinvolume.