题海让大学四年没有难题
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单选题 If two similar sounds never occur in the same phonetic environment, then they are____

A. two separated phonemes

B. two free variations of a phoneme

C. two allophones of a phoneme

D. a minimal pair

20级 重修 语言导论课程封面

学科:20级 重修 语言导论

时间:2024-04-22 14:30:06

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