论文部分内容阅读
活动时为什么身上会有响声? Q:我女儿1岁1个月。从8个月起,当大人抱她或她自己活动时,不知道是胳膊、
Why do I have a loud voice when I am active? Q: My daughter is 1 year old and 1 month old. From 8 months on, when adults hold her or her own activities, do not know is the arm,