telephone exchange
电话交换机
例句与用法：
Not appearing on a list, especially not listed in a telephone directory.
未列出的未在一份名单中出，尤其是未列入一本电话号码本的
Steven could rattle off a page of the telephone directory if you asked him.
如果你叫史蒂芬背电话号码，他可以一口气背出一页。
I once saw a man tear a telephone directory in half.
我有一次看见一个人把电话簿撕成了两半。
The telephone directory gives people's names, addresses, and telephone numbers.
电话号码簿提供人名、地址和电话号码。
词形变化：
名词: telephoner | 动词过去式: telephoned | 动词过去分词: telephoned | 动词现在分词: telephoning | 动词第三人称单数: telephones |
ph.
电信局