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
what do you think this big surprise is?
你认为这一件大惊喜会是什么？
This world belongs to the energetic.
世界属于精力旺盛的人。
She might have had an accident.
可能出事了。