单词 alternation 释义 alternation|ltnen, l-|[a. Fr. alternation, ad. L. alterntin-em, n. of action f. alternre: see alternate a.]1. a. The action of two things succeeding each other by turns; alternate succession or occurrence.1611Cotgr., Alternation, an...
单词 alternation 释义 alternation n[U, C]. 英汉双解词典包含38652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。 ...