1.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。
2.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。