Catchiness is a term which describes how easy it is for one to remember a song, tune or phrase. It is often taken into account when writing songs, catchphrases, advertising slogans, jingles etc.
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。