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
Come on, Richard. Get up. Let's go.
好啦 Richard。起来。走吧。
When all men speak no man hears.
人人都讲话，无人去听它。
That is John Smith,isn't it?
你是约翰。史密斯，对吗？