编辑同志; 我的侄儿今年两周岁半,去年刚学说话时吐字还清楚,可今年说话反而口齿不清了。有时我哥嫂也听不懂他说的是什么。我们都担心他长大也改不过来。希望得到你们的帮助。吉林韦新华韦靳华同志: 孩子发音不清楚,多发生于以下情况: 一是生理原因。即三岁以前的幼儿,发音器宫尚未得到 My comrades, my nephew, two and a half years old this year, I was still clear when I was speaking last year, but I could not say anything like this this year. Sometimes my brother-in-law did not understand what he said. We all worry that he can not change his life. Hope to get your help. Jilin Wei Xinhua Wei Jinhua Comrade: children do not know pronunciation, occurred in the following circumstances: First, the physiological reasons. That is, children before the age of three, the speaker house has not been received