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
Last year's tax forms?
譬如去年的纳税申报表格？
We made New York after dark.
我们在天黑后到达纽约。
What about your bag? Would you like me to carry it?
手提包呢？您要我提吗？