Early reading
Read a story with your baby every day, take a test with your big dog at home, or buy some picture books. This story should be short and pithy. When telling stories, pay attention to adding some adjectives or idioms to enrich your baby's language ability.
RPG
Play games with your baby, such as seeing a doctor, having guests, going shopping in Carrefour, catching bad guys by police uncles, and making up your own games to enrich the content. You and your baby play a role, such as watching a doctor's game, one plays a doctor and the other plays a patient. Teach him to observe these roles at ordinary times
increase knowledge
You can increase your baby's knowledge through anything you see on the road, such as the names of various animals, plants and buildings, the uses of various shops, and tell him something about astronomy by looking at the sky.