Osirm
开放式系统互连模式
🗣️ 情景例句
It's a great party, isn't it?
这个派对很不错，是吗？
The man is surveying land for a national park.
这个人正在测量国家公园的土地
I could answer sixteen of the question.They were very easy.
其中的16道题。这些题很容易。