问题描述：
英语语音学,下面这个举例,我不太明白,这几个词较之以前发音有什么变化么?
Diacritical marks (examples):
[d] devoiced
[t] voiced
[m] syllabic syllable
Diacritical marks (examples):
[d] devoiced
[t] voiced
[m] syllabic syllable
问题解答：
我来补答展开全文阅读