题目内容
The speech sounds which are in complementary distribution are definitely allophones of the same phoneme.
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All syllables contain three parts: onset, nucleus and coda.
[p] is voiced bilabial stop.
In the sound writing system, the reference of the grapheme is the phoneme.
The initial sound of "peak" is aspirated while the second sound of "speak" is unaspirted. They are in free variation.
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