Cách sử dụng
The word tooth is used to describe one of the hard white things in our mouth that we use to chew our food. Humans have teeth, and so do some animals like dogs and cats. It's important to take care of our teeth by brushing them regularly so we don't get cavities or other problems. We can also talk about having a toothache, which means our tooth hurts. The word tooth is often used in dental care and medical contexts.