Hdlc
[计] 高级数据链路控制协议
🗣️ 情景例句
Is anybody hungry?
有人饿了吗？
The best teacher one can have is necessity.
我们能得到的最好教师是“需要”。
The towers are built on immense underwater platforms make of steel and concrete.
塔身建在巨大的水下钢盘混凝土平台上。