Cách sử dụng
The word 'mouthpiece' is usually used to describe someone who speaks on behalf of a group or organization. For example, a lawyer may be called a 'mouthpiece' for their client. Another way the word 'mouthpiece' is used is to describe a musical instrument that a person uses to make sounds with their mouth, like a saxophone or a trumpet. It is important to understand the context in which the word is being used to fully understand its meaning.