Demorgan's theorem
[计] 真根定理, 反演定理, 德摩根定理
🧩 词语组成解析
🗣️ 情景例句
and they're so kind to me.
他们对我真好。
I have so much to do after I retire.
我在退休后有许多事要做。
I would like to present our comments in the following order.
我希望能依照以下的顺序提出我们的看法。