Pse
[计] 信息包交换设备, 分组交换设备
🗣️ 情景例句
Your dad is quite a guy.
你爸爸真不赖。
Which umpire will referee the baseball game?
不知道哪一个裁判要执法这场棒球赛？
Twenty year!That's long time.
20年！这个时间可不短。