Alternation theorem
[计] 交错定理
🧩 词语组成解析
alternation
[ˌɔ:ltə:'neiʃən]
n. 交替，轮流，间隔;交替工作;更迭;变换;
🗣️ 情景例句
It's the first thing people will see when they come in.
这是人们走进来所看到的第一 件东西。
Please sit down and have a glass of juice.
请坐下来喝一杯果汁。
About a third of the people who had been chained up below at the beginning of the journey were missing.
旅程开始时拴在下边的人大约有三分之一已经不见了。