Cryptosystem
[计] 密码系统, 密码体制
🗣️ 情景例句
Language is for the exchange of idea, for communication.
语言是用来交换思想，用来交流的。
You can't tell anybody by what they seem.
你不能凭外表判断人。
'Young man,' she answered, 'if you ate more and talked less, we would both enjoy our dinner!
“年轻人，”她回答说，“如果你多吃点，少说点，我们两个都会吃得好的！”