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
Yes, I think it's important for me to be there
是的 ，我想我在场是非常重要的。
That was a close call! We nearly hit that car.
真是好险阿，我们差点撞着那辆汽车。
I was thinking of 40% off.
打个6折吧。