Cryptosystem
[计] 密码系统, 密码体制
🗣️ 情景例句
Can you give me some forms of identification?
你能给我什么证明身份的文件吗？
In elementary school,the child learns to read and write.
在小学，孩子学习读写。
It has helped me to serve others.
这份礼物帮助我为他人服务。