Alternating theorem
[计] 择一定理
🧩 词语组成解析
a. 交互的\\n[医] 交替的
🗣️ 情景例句
I went back for it, but the ferry was gone.
等我回去找的时候 船已经开走了。
She spends much of her leisure times watching TV.
她花很多空闲时间看电视。
Oh, yes.we don't carry that item anymore.
哦，是的，那一项目我们不再卖了。