Osi
[計(jì)] 開放式系統(tǒng)互連, 開放式系統(tǒng)互連協(xié)議組, 開放式系統(tǒng)互連參考模型
??? 情景例句
Hey, Xiao Lu, what's up?
嘿，小陸，你好啊？
The German quotation is lower than yours.
德國報(bào)價(jià)比你們的低。
Was it too big?
太大了嗎？