Central office exchange
[计] 中心局交换机
🧩 词语组成解析
exchange
[ɪks'tʃendʒ]
n. 交换;交易;交易所;兑换（率）;
vt. 交换，互换;兑换;交换，调换;
vi. 交换，替换;进行易货贸易，作物物交换;[金融业]（货币）交换，兑换;
ex 表示\"出，出去\" + change交换，替换 → vt.交换；交流\r\nn.交换
🗣️ 情景例句
He has had various experiences in his life.
他的生活经验丰富。
Which one would you like--this one or that one?
你喜欢这个还是那个？
How about having lunch with me?
一起吃顿中饭怎样？