Osip
[计]= Open System Interconnetion Plan,开放型系统互连计划
🗣️ 情景例句
He's stepped out of the office for a little while.
他离开办公室刚一会儿。
I'm so glad you could make it.
我很高兴赶上时间。
I beg your pardon.
请你原谅。