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Dark L[防断更微mmj4408].mp4
L [l][防断更微mmj4408].mp4
nth字母组合发音[防断更微mmj4408].mp4
shr字母组合辅音发音[防断更微mmj4408].mp4
S字母有关的组合发音[防断更微mmj4408].mp4
ths字母组合的辅音[防断更微mmj4408].mp4
TH音练习小贴士[防断更微mmj4408].mp4
tr和dr组合的发音[防断更微mmj4408].mp4
[əl], [əm], [ən], [əɹ][防断更微mmj4408].mp4
[ʃ] and [ʒ][防断更微mmj4408].mp4
[ŋ][防断更微mmj4408].mp4
[ɹ][防断更微mmj4408].mp4
[br][防断更微mmj4408].mp4
[b] and [p][防断更微mmj4408].mp4
[f] and [v][防断更微mmj4408].mp4
[g] and [k][防断更微mmj4408].mp4
[h][防断更微mmj4408].mp4
[j][防断更微mmj4408].mp4
[kw][防断更微mmj4408].mp4
[m][防断更微mmj4408].mp4
[n] vs [ŋ][防断更微mmj4408].mp4
[n] 发音练习[防断更微mmj4408].mp4
[n][防断更微mmj4408].mp4
[r] vs [l] 01[防断更微mmj4408].mp4
[r] vs [l] 02[防断更微mmj4408].mp4
[r] vs [w][防断更微mmj4408].mp4
[s] and [z][防断更微mmj4408].mp4
[s] vs [ʃ][防断更微mmj4408].mp4
[tʃ] and [dʒ][防断更微mmj4408].mp4
[tr][防断更微mmj4408].mp4
[ts][防断更微mmj4408].mp4
[t] and [d][防断更微mmj4408].mp4
[t] 和 [d]处于两个辅音音标中间时[防断更微mmj4408].mp4
[v] vs [w][防断更微mmj4408].mp4
[v][防断更微mmj4408].mp4
[w][防断更微mmj4408].mp4
[θ] and [ð][防断更微mmj4408].mp4
单词尾的清辅音和浊辅音[防断更微mmj4408].mp4
单词中t的发音[防断更微mmj4408].mp4
尾辅音影响元音发音长度[防断更微mmj4408].mp4