Osi
[计] 开放式系统互连, 开放式系统互连协议组, 开放式系统互连参考模型
🗣️ 情景例句
You won't believe it, Grandpa,
你绝不会相信， 爷爷，
The operation was a success. She's now in recovery.
手术进行的很顺利，她正在恢复中。
To be honest with you，I'm twenty.
老实说，我20岁。