Severma
[计] 网络信息管理和观察程序
🗣️ 情景例句
We usually ship the goods by regular liners.
我们一般是定期班轮装运货物。
She sent me a Christmas card last year.
去年寄过一张圣诞卡。
You must have been driving at seventy miles an hour.
你刚才一定是以每小时70英里的速度开车。