81.语调-2 .mp4
18.双元音-[e? ].mp4
22.辅音-[p]&[b].mp4
85.语调-6 .mp4
48.音标-[? ]-2 .mp4
29.辅音-[t? ]&[d? ].mp4
75.重读-3 .mp4
42.音标-[? ]-2 .mp4
77.重读-5 .mp4
34.辅音-[? ].mp4
26.辅音-[0]&[e].mp4
32.辅音-[r] .mp4
86.如何断句? .mp4
61.连读-元音元音连读-5 .mp4
39.辅音-ed结尾怎么读 .mp4
35.辅音-[I] .mp4
……
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