短語詞組短語initial voiced consonant 濁輔音聲母initial consonant cluster 複輔音聲母absence of initial consonant 零聲母initial consonant detail 聲母initial consonant z z 聲母total voiced initial consonant 全濁聲母t initial consonant t 組Initial consonant mutation 輔音變化the Initial consonant ZhiZhangZhuang 知章莊母 返回 initial consonant