Alternating series
[机] 交错级数定理
🧩 词语组成解析
a. 交互的\\n[医] 交替的
🗣️ 情景例句
That's very nice of you, but I really can't.
你太客气了，可我真的非走不可。
Time past never returns, amoment lost, lost for ever.
过去的时间决不返回，浪费一点，永远消失。
Why on earth didn't you tell me the truth?
你到底为什么不跟我说实话？