catchy

adj (-ier, -iest) (of a tune) pleasant and easy to remember （指曲调）悦耳易记的.

catch, catch at, catch crop, catch fire, catch on, catch one's breath, catch one's eye, catch sb.'s eye, catch sight of, catch the eye, catch up, catch up on, catch up with, catch-all, catcher, catching, catchment area, catchpenny, catchphrase, catchword, catechism, catechize, catechise, categorical, categorically, categorize, categorize, -ise, category, cater, caterer, catering, caterpillar, caterwaul, catfish, catgut, Cath, catharsis, cathartic, cathedral, Catherine wheel, catheter,