Generally speaking, plosive sounds undergo three stages: the closing stage, thecompression stage and the stage ()
A . release
8 . unreleased
C . aspirated
D . unaspirated
出自:伊犁师范-英语语音

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
向右拖动滑块