1. reading: read picture books or story books to your baby, so that your baby can be exposed to rich vocabulary and language expressions.

2. Dialogue: Have a daily conversation with your baby so that they can hear the correct pronunciation, intonation and grammatical structure.

3. Singing: Sing children's songs or nursery rhymes to help your baby learn new words and sentences.

4. Games: Play role-playing games, let the baby play different roles and express them in the corresponding language.

5. Create an environment: create an environment full of languages, such as putting labels, pictures and words at home to let the baby learn new things.

6. Encourage expression: Encourage your baby to express his thoughts and feelings, and don't interrupt their speech.

7. Communicate more: Keep good communication with your baby and let them feel your care and support.