Nand operator
[计] 与非算符
🧩 词语组成解析
[计] 与非
🗣️ 情景例句
But, my dear niece, please do consider my words very carefully before you decide.
但是我的孩子，在你做出决定之前请一定要认真考虑我的话。
We invited two guests to dinner,but they didn't come.
我们邀请了2个客人去吃晚饭，但是他们没来。
and should not be put in drinks unless it is known to be safe.
只有知道冰块安全时才能加入饮料。