正在加载图片...
Volume vs pitch Volume: loudness or softness of speaker's voice Pitch: Highness or lowness of speakers voiceVolume VS Pitch Volume: loudness or softness of speaker’s voice Pitch: Highness or lowness of speaker’s voice
<<向上翻页向下翻页>>
©2008-现在 cucdc.com 高等教育资讯网 版权所有