Which of the following sounds is a bilabial?().
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Which of the following sounds is a bilabial?().
A.[ g ]
B.[ d ]
C.[ b ]
D.[ m ]
参考答案:
Which of the following sounds is a bilabial?().
A.[ g ]
B.[ d ]
C.[ b ]
D.[ m ]
参考答案: