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
and gave thanks.
感恩。
I'm glad to hear that.
听到这消息我很高兴。
The inspector began to look for fingerprints, while the constable checked that the front door locks had not been forced,
巡官开始搜寻指纹，警察经检查发现大门锁头并无撬过的迹象。