Numerical security
[计] 数字安全·数字保密
🧩 词语组成解析
🗣️ 情景例句
it's exactly as it was when we were married!
它跟我们结婚的时候一模一样！
May I ask you a question?
我可以向您提个问题吗？
But in an old man who has known human joys and sorrows,
可是老年人已经饱尝了人间的甘苦，