Packet switching equipment
[计] 包交换设备
🧩 词语组成解析
[计] 交换\\n[经] 转换, 调换, 调头
🗣️ 情景例句
Oh, don't look so sad.
噢， 别显得那么无精打采。
Shall I carry this for you?
要不要我帮您拿这件东西？
He's doing well in all his lessons. He's not lazy. He'll do very well in the exams.
他各门功课都学得很好。他从不懒。他考试会考得很好的。