Ninety nine tongue twisters can improve your baby's eloquence. Tongue twisters are a good way to train children's language. The child is very interested in tongue twisters, and thinks they are playing games. In the process of tongue twister, the child's lips, teeth and tongue can be exercised, and his memory and reaction ability can be improved, which is very beneficial to his future development and social activities. Today, I will send you these 99 passwords to practice your Mandarin and your children's Mandarin