51.雙側上顎乳門齒早期喪失容易引起下列何種的發音困難?
(A)fa
(B)ma
(C)pa
(D)ba
答案:登入後查看
統計: A(376), B(5), C(2), D(0), E(0) #1032066
統計: A(376), B(5), C(2), D(0), E(0) #1032066