Cách sử dụng
The word 'brush' is a tool used for cleaning or grooming purposes. You can use a toothbrush to clean your teeth or a hairbrush to groom your hair. You can also use a brush to clean your clothes, shoes, or other objects. Additionally, some artists use brushes to paint or create artwork. It can also be used as a verb, such as "I need to brush my teeth before bed."