harmonica /hɑɚˈmɑːnɪkə/ noun plural harmonicas
plural harmonicas
Learner's definition of HARMONICA
[count]
: a small musical instrument that is played with your mouth ◊ A harmonica has many small openings that produce different sounds when air is blown or sucked through them.口琴(有很多小孔,通过吹气或吸气能发出不同的声音)