Alternatim refers to a technique of liturgical musical performance, especially in relationship to the Organ Mass. A specific part of the ordinary of the Mass (such as the Kyrie) would be divided into versets.
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。