Generally, the cause that deaf children cannot speak correctly and articulately is that they are not good at breath-control while speaking.

聋儿说不好话的原因，其共性和主要原因是发音说话不会控制气息所致。

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Generally, the cause that deaf children cannot speak correctly and articulately is that they are not good at breath-control while speaking.

聋儿说不好话的原因，其共性和主要原因是发音说话不会控制气息所致。

youdao