Pse
[计] 信息包交换设备, 分组交换设备
🗣️ 情景例句
Don't forget to breathe.
别忘了呼吸。
Who is the president of this republic?
谁是这共和国的总统？
The clouds had come down so suddenly we had no warning.
乌云突然出现，我们丝毫没有觉察。