◆记忆方法一: 词根词缀记忆法:alternation交互,交错(alternate+ion),alter, altern, ali=other, to change, 表示“其他的,改变状态”
与单词:alternation 相关的例句或者名人名言
V-RECIP-ERG. (使)交替;(使)轮流. When you alternate two things, you keep using one then the other. When one thing alternates with another, the first regularly occurs after the other.