Cryptosystem
[计] 密码系统, 密码体制
🗣️ 情景例句
That's not a hobby, you've just brought your work home with you!
那不是爱好，你只是把工作带回家而已。
What month is this?
现在是几月份？
This is Mr Green's room.
这是格林先生的房间。