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
Hi, gang. Hi, everybody.
嗨 ，各位。
What''s the cause of the delay?
什么原因延误？
Even though the noble was expected to read the letter at each performance,
尽管那个贵族每场戏都得念一遍那封信。