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
Yes, both. Last trip I fished a little and hiked three miles.
是的，两者都做。上次出去时，我钓了一会儿鱼，又步行了三英里。
I'm afraid you have the wrong number.
恐怕你打错号码了。
Yes, we might have to do that.
是呀，恐怕只有这么做了。