Packet switching centre
[计] 包交换中心
🧩 词语组成解析
[计] 交换\\n[经] 转换, 调换, 调头
centre
['sentər]
n. 中心;（市镇的）中心区;中心点;中枢;
vt.& vi. 置于中央;集中;把…当作中心;（使）成为中心;
🗣️ 情景例句
We'll have a chance to talk to them later.
我们以后还有机会跟他们谈。
I invited him to come over, but he wouldn't.
我请他过来，但是他不肯。
I was doing my homework and forgot the time.
我在做家庭作业，忘记了时间。