Cách sử dụng
The word "concertina" is used to describe a type of musical instrument that looks like a small accordion. It is played by squeezing the instrument in and out to produce different notes. People often use concertinas in traditional or folk music. For example, if you are talking to someone about different types of musical instruments or discussing a specific song or performance that features a concertina, you might use the word "concertina."