[p] is voiced bilabial stop.
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In the sound writing system, the reference of the grapheme is the phoneme.
A. 对
B. 错
The initial sound of "peak" is aspirated while the second sound of "speak" is unaspirted. They are in free variation.
A. 对
B. 错
In English, we can have the syllable structure of CCCVCCCC.
A. 对
B. 错
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